Coal mining and coal preparation in Vietnam / Waldemar MIJAŁ, Nhu Thi Kim Dung, Nguyen Ngoc Phu, Nguyen Hoang Son // W: XIX international coal preparation congress : 13-15 November, 2019, New Delhi, India : congress proceedings, Vol. 1 / ed. Raj K. Sachdev ; CPSI Coal Preparation Society of India. — New Delhi : Woodhead Publishing India Pvt. Ltd., 2019. — ISBN: 978-93-88320-19-1 ; e-ISBN: 978-93-88320-20-7. — S. 36–45. — Bibliogr. s. 44-45, Abstr.

Coal preparation in Poland and Vietnam / MIJAŁ Waldemar, Nguyen Hoang Son, Nguyen Ngoc Phu // W: Geo-spatial Technologies and Earth Resources (GTER 2017) : proceedings of the international conference on Geo-spatial Technologies and Earth Resources 2017 : Hanoi, Vietnam, 5–6 October, 2017 / eds. Nguyen Quoc Long, [et al.]. — Vietnam : Publishing House for Science and Technology, cop. 2017. — ISBN: 978-604-913-618-4. — S. 451–456. — Bibliogr. s. 455–456, Abstr.

Determination of the optimal dosage of chemical compounds in the wastewater treatment process in Trang Bach coal mine: the laboratory scale / Manh Ha Doan, Waldemar MIJAŁ // W: V4 wastes: critical raw materials : workshop : 22\textsuperscript{nd} international conference on Environment and mineral processing : 31.5.-2.6. 2018, Ostrava, Czech Republic / ed.  Vladimír Čablík ; Mining Society of Moravia and Silesia HGF VŠB-TU Ostrava. — Ostrava : VŠB - Technical University of Ostrava, 2018. — ISBN: 978-80-248-4180-9. — S. 17–22. — Bibliogr. s. 21–22, Abstr.

Development of dry coal gravity separation techniques / W. MIJAŁ, B. TORA // IOP Conference Series: Materials Science and Engineering ; ISSN 1757-8981. — 2018 vol. 427 art. no. 012003, s. 1–8. — Bibliogr. s. 8, Abstr.. — MEC 2018 : Mineral Engineering Conference : 26-29 September 2018, Zawiercie, Poland. — tekst: http://iopscience.iop.org/article/10.1088/1757-899X/427/1/012003/pdf

Dry coal beneficiation methods in Poland / Waldemar MIJAŁ, Wiesław S. Blaschke, Ireneusz Baic // W: 25\textsuperscript{th} World Mining Congress [Dokument elektroniczny] : [19–22 June], 2018, Astana, Kazakhstan. — Wersja do Windows. — Dane tekstowe. — [Kazakhstan : s. n.], [2018]. — (World Mining Congress Proceedings ; ISSN 2663-2993). — S. [129–140]. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: http://files.iteca.kz/web/download/wmc/2018/Processing/Enrichment.pdf [2018-09-12]. — Bibliogr. s. [140], Abstr.. — Publ. w cz.: Enrichment

Energy policy of Poland – current status, opportunities, challenges, threats / D. POLEK, T. NIEDOBA, W. MIJAŁ // IOP Conference Series: Materials Science and Engineering ; ISSN 1757-8981. — 2019 vol. 641 art. no. 012032, s. 1–6. — Bibliogr. s. 5–6, Abstr.. — Publikacja dostępna online od: 2019-11-19. — MEC 2019 : Mineral Engineering Conference : 16–19 September 2019, Kocierz, Poland. — tekst: https://iopscience.iop.org/article/10.1088/1757-899X/641/1/012032/pdf

Enrichment of small grain classes: laboratory scale / Waldemar MIJAŁ, Barbara TORA // W: XIX international coal preparation congress : 13-15 November, 2019, New Delhi, India : congress proceedings, Vol. 2 / ed. Raj K. Sachdev ; CPSI Coal Preparation Society of India. — New Delhi : Woodhead Publishing India Pvt. Ltd., 2019. — ISBN: 978-93-88320-19-1 ; e-ISBN: 978-93-88320-20-7. — S. 47-53. — Bibliogr. s. 53, Abstr.

Mathematical model of dry coal deshaling by using FGX vibrating air table / W. MIJAŁ, T. NIEDOBA, D. POLEK // IOP Conference Series: Materials Science and Engineering ; ISSN 1757-8981. — 2019 vol. 641 art. no. 012025, s. 1–11. — Bibliogr. s. 10–11, Abstr.. — Publikacja dostępna online od: 2019-11-19. — MEC 2019 : Mineral Engineering Conference : 16–19 September 2019, Kocierz, Poland. — tekst: https://iopscience.iop.org/article/10.1088/1757-899X/641/1/012025/pdf

Methane content estimation in DuongHuy coal mine / Van Thinh Nguyen, Waldemar MIJAŁ, Vu Chi Dang, Thi Tuyet Mai Nguyen // E3S Web of Conferences [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 2267-1242. — 2018 vol. 35 art. no. 01005, s. 1–8. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://www.e3s-conferences.org/articles/e3sconf/pdf/2018/10/e3sconf_polviet2018_01005.pdf [2018-04-05]. — Bibliogr. s. 8, Abstr.. — Publikacja dostępna online od: 2018-03-23. — POL-VIET 2017 : scientific-research cooperation between Vietnam and Poland : Krakow, Poland, November 20–22, 2017

Modern methods of dry mineral separation – Polish experience / Waldemar MIJAŁ, Ireneusz Baic, Wiesław Blaschke // W: ISRM 2020 : proceedings of the international conference on Innovations for Sustainable and Responsible Mining, Vol. 1 / eds. Xuan-Nam Bui, Changwoo Lee, Carsten Drebenstedt. — Cham : Springer Nature Switzerland AG, cop. 2021. — (Lecture Notes in Civil Engineering ; ISSN 2366-2557 ; vol. 109). — ISBN: 978-3-030-60838-5 ; e-ISBN: 978-3-030-60839-2. — S. 407–425. — Bibliogr., Abstr.. — Publikacja dostępna online od: 2020-10-26