Khan, A. (1976). The effectiveness of the use of visual materials in a grade V social studies unit [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-viite (17. p.)Khan, Ata-ullah. The Effectiveness of the Use of Visual Materials in a Grade V Social Studies Unit [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-viite (9. p.)Khan, Ata-ullah. The Effectiveness of the Use of Visual Materials in a Grade V Social Studies Unit [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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