Philippines. Ministry of Education, Culture and Sports. Population Education Program. (1985). Module on the value clarification approach in the teaching of population education: A self instructional material prepared for elementary and secondary school teachers. Population Education Program, Ministry of Education, Culture and Sports.
Chicago-Zitierstil (17. Ausg.)Philippines. Ministry of Education, Culture and Sports. Population Education Program. Module on the Value Clarification Approach in the Teaching of Population Education: A Self Instructional Material Prepared for Elementary and Secondary School Teachers. Manila: Population Education Program, Ministry of Education, Culture and Sports, 1985.
MLA-Zitierstil (9. Ausg.)Philippines. Ministry of Education, Culture and Sports. Population Education Program. Module on the Value Clarification Approach in the Teaching of Population Education: A Self Instructional Material Prepared for Elementary and Secondary School Teachers. Population Education Program, Ministry of Education, Culture and Sports, 1985.