Dumadag, L. S. (1994). Problem comprehension of senior high school students in Zamboanga City.
Čikaški stil citiranja (17. izdanje)Dumadag, Leonardo S. Problem Comprehension of Senior High School Students in Zamboanga City. 1994.
MLA način citiranja (9. izdanje)Dumadag, Leonardo S. Problem Comprehension of Senior High School Students in Zamboanga City. 1994.
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