Cruz, I. M. (1979). A study of the correlation between attitudes and teaching efficiency of the public secondary school teachers of the first district of Manila in 1969-1970 [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Cruz, Ildefonsa Mierr. A Study of the Correlation Between Attitudes and Teaching Efficiency of the Public Secondary School Teachers of the First District of Manila in 1969-1970 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.
MLA-Zitierstil (9. Ausg.)Cruz, Ildefonsa Mierr. A Study of the Correlation Between Attitudes and Teaching Efficiency of the Public Secondary School Teachers of the First District of Manila in 1969-1970 [microform]. Photoduplication Service, University of the Philippines Library, 1979.