G.C.E Advanced Level A/L Chemistry Lesson (in Sinhala)
Dr. M A B Prashantha, Senior Lecturer
Department of Chemistry,
University of Sri Jayewardenepura, Sri Lanka
G.C.E Advanced Level A/L Chemistry Lesson (in Sinhala)
Dr. M A B Prashantha, Senior Lecturer
Department of Chemistry,
University of Sri Jayewardenepura, Sri Lanka