Muhammad Iqbal Zia A study of effectiveness of modular appoach for science teaching at secondary level / Iqbal Zia,Muhammad - 1 Allama Iqbal Open University 2007. - xv,228p.; HB MPhil/MS Eng Standard No.: https://i.ibb.co/DcNFC41/Thesis-cover.png Subjects--Topical Terms: Education-Experimental methodsDissertations, Academic--MPhil Teacher Education Dewey Class. No.: 371.3 / MUS