Cart Remove item Thumbnail image Product Price Quantity Subtotal × the effects of integrated group based mastery learning model on social studies students’ achievement ₦ 5,000.00 the effects of integrated group based mastery learning model on social studies students’ achievement quantity ₦ 5,000.00 Update cart Cart totals Subtotal ₦ 5,000.00 Total ₦ 5,000.00 Proceed to checkout