Herrera, Alfredo , 1932- A study of the administration of religions instruction in the public schools of the Philippines / by Alfredo Herrera. - Ann Arbor, Mich. : University Microfilms International, 1969. - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.) - St. John's University, 1968. Subjects--Topical Terms: Religious educations--Philippines.