Muddasar Habib, Amad Ullah Khan, Abdul Rehman Memon, and Unsia Habib , trans. “Production of Indigenous and Enriched Khyber Pakhtunkhwa Coal Briquettes: Combustion and Disintegration Strength Analysis”. Pakistan Journal of Analytical & Environmental Chemistry 14, no. 1 (June 3, 2013): 68 – 74. Accessed July 12, 2025. https://pjaec.pk/index.php/pjaec/article/view/367.