Anwar Ahmed Gulzar A study of alignment of the biology textbook of grade ix with the national curriculum standards / Anwar Ahmed Gulzar - Islamabad: Allama Iqbal Open University, 2012. - xii, 97p. HB MPhil Thesis Subjects--Topical Terms: Science educationDissertations, Academic--MPhil Science Education Dewey Class. No.: 507 / ANS