Doria, A. C. (1974). A study of techniques, materials and devices and problems in teaching home economics to grade five pupils in nineteen Manila public elementary schools [microform]. Photoduplication Service, University of the Philippines Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Doria, Aurora C. A Study of Techniques, Materials and Devices and Problems in Teaching Home Economics to Grade Five Pupils in Nineteen Manila Public Elementary Schools [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Παραπομπή σε μορφή MLA (9th εκδ.)Doria, Aurora C. A Study of Techniques, Materials and Devices and Problems in Teaching Home Economics to Grade Five Pupils in Nineteen Manila Public Elementary Schools [microform]. Photoduplication Service, University of the Philippines Library, 1974.