Production of Indigenous and Enriched Khyber Pakhtunkhwa Coal Briquettes: Combustion and Disintegration Strength Analysis. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 14, n. 1, p. 68 – 74, 2013. DOI: 10.21743/. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/367. Acesso em: 12 jul. 2025.