Philippines. Ministry of Education. Bureau of Public Schools & National Curriculum Development Workshop on Population Education (2nd : Manila : 1971). (1971). Resource units and scope and sequence in Population Education. s.n.
Chicago-viite (17. p.)Philippines. Ministry of Education. Bureau of Public Schools ja National Curriculum Development Workshop on Population Education (2nd : Manila : 1971). Resource Units and Scope and Sequence in Population Education. [Manila: s.n, 1971.
MLA-viite (9. p.)Philippines. Ministry of Education. Bureau of Public Schools ja National Curriculum Development Workshop on Population Education (2nd : Manila : 1971). Resource Units and Scope and Sequence in Population Education. s.n, 1971.
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