Evaluating the Geochemical Properties of Awhum Coal and its Potential for Sustainable Energy Generation and Optimization in Nigeria. LJSIR [انترنت]. 29 أبريل، 2025 [وثق 2 يونيو، 2026];3(1):123-8. موجود في: https://www.lafiascijournals.org.ng/index.php/ljsir/article/view/432