Sambo, E. B. Certain concepts on water and suggested instructional activities for Grade Three children.
Chicago-viite (17. p.)Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children. Quezon City, 1972.
MLA-viite (9. p.)Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children.
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