Allama Iqbal Open University (Pakistan). Research and Evaluation Centre & Allama Iqbal Open University (Pakistan). Faculty of Education. (2000). Pakistan journal of education. Research and Evaluation Centre, Allama Iqbal Open University.
Chicago-čujuhus (17. p.)Allama Iqbal Open University (Pakistan). Research and Evaluation Centre juo Allama Iqbal Open University (Pakistan). Faculty of Education. Pakistan Journal of Education. Islamabad, Pakistan: Research and Evaluation Centre, Allama Iqbal Open University, 2000.
MLA-čujuhus (9. p.)Allama Iqbal Open University (Pakistan). Research and Evaluation Centre juo Allama Iqbal Open University (Pakistan). Faculty of Education. Pakistan Journal of Education. Research and Evaluation Centre, Allama Iqbal Open University, 2000.