Application of Principal Factor Analysis and Spectral Cluster Analysis for identification of groups of water pollutants: case study / Beata BASIURA, Iwona SKALNA, Bogusław BIEDA // W: Proceedings of the 37\textsuperscript{th} International Business Information Management Association Conference (IBIMA) [Dokument elektroniczny] : 30-31 May 2021, Cordoba, Spain : Innovation Management and Information Technology Impact on Global Economy in the Era of Pandemic / ed. Khalid S. Soliman. — Wersja do Windows. — Dane tekstowe. — [Norristown] : International Business Information Management Association (IBIMA), cop. 2021. — (Proceedings of the... International Business Information Management Association Conference ; ISSN 2767-9640). — e-ISBN: 978-0-9998551-6-4. — S. 5524–5535. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://u.pcloud.link/publink/show?code=kZnoamXZkmWu5WL4oKu11pUI7owucy5MxBFk#folder=9238065447&tpl=publicfoldergrid [2021-06-24]. — Bibliogr. s. 5533–5535, Abstr.

Life Cycle Inneventory (LCI) process of the Rare Earth Elements (REEs) based on exploitation of secondary sources: New Kankberg Gold Mine, Sweden case study / Dariusz SALA, Bogusław BIEDA // W: Proceedings of the 38\textsuperscript{th} International Business Information Management Association Conference (IBIMA) [Dokument elektroniczny] : Innovation Management and Sustainable Economic Development in the Era of Global Pandemic : 23-24 November 2021, Seville, Spain. — Wersja do Windows. — Dane tekstowe. — [Norristown] : International Business Information Management Association (IBIMA), [2021]. — (Proceedings of the... International Business Information Management Association Conference ; ISSN 2767-9640). — e-ISBN: 978-0-9998551-7-1. — S. [1–4]. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://ibima.org/accepted-paper/life-cycle-inventory-lci-process-of-the-rare-earth-elements-rees-based-on-exploitation-of-secondary-sources-new-kankberg-gold-mine-sweden-case-study/ [2022-01-13]. — Pełny tekst dostępny po zalogowaniu