AL-MALLAH, S.; سحر; BUKER, R.; رجب. NATURAL MINERAL CLYS BEARING FELDSPAR,PYSICAL AND STRUCTURAL STUDIES AND APPLICATION IN PERTOLEUM FRACTIONATION. Journal of Education and Science (JES), [S. l.], v. 17, n. 4, p. 42–53, 2005. DOI: 10.33899/edusj.2005.83069. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17103. Acesso em: 4 aug. 2025.