فهرس المقالات Dissolution mechanism حرية الوصول المقاله صفحة الملخص نص كامل 1 - Dissolution Kinetic Evaluation of Manganese-rich Iron ore by Sulphuric acid Solution Alafara Abdullahi Baba Musa John Saliu Daud Temitope Olaoluwa Taofiqat Omotayo Abu Rafiu Babatunde Bale Folahan Amoo Adekola