AMIN, N.- ul-. Study of the Physical Parameters of Ordinary Portland Cement of Khyber Pakhtoon Khwa Pakistan and their comparison with Pakistan standard Specifications. Chemical Engineering Research Bulletin, [S. l.], v. 14, n. 1, p. 7–10, 2010. DOI: 10.3329/cerb.v14i1.3729. Disponível em: https://banglajol.info/index.php/CERB/article/view/3729. Acesso em: 17 jul. 2024.