Dumadag, L. S. (1994). Problem comprehension of senior high school students in Zamboanga City.
Chicago Style (17. basım) AtıfDumadag, Leonardo S. Problem Comprehension of Senior High School Students in Zamboanga City. 1994.
MLA (9th ed.) AtıfDumadag, Leonardo S. Problem Comprehension of Senior High School Students in Zamboanga City. 1994.
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