فهرس المقالات 6-bis(hydroxymethyl) phenols حرية الوصول المقاله صفحة الملخص نص كامل 1 - Efficient synthesis of trisphenols using reduced sulfonated graphene nanocatalyst under solvent free conditions Samaneh Behravesh Reza Fareghi-Alamdari Rashid Badri
