Evaluation of two textbooks-biology for Philippine high schools : the relationships of living things and their environment in Davao City
The effectiveness of the manual-workbook in college algebra developed by the Davao Association of Colleges and Schools (DACS) mathematics instructors
Reciprocal teaching method and the reading achievement of third year high school students of Davao Central College / Annabelle Jolo Casumpa
Parent’s attitude toward school discipline in John Bosco School-High School Department, Bislig, Surigao del Sur during the School year 1975-76
