Gregorio, L. (1967). The reaction of selected teachers to the Biology for Philippine High Schools: The Relationship of Living Things, an adaptation of the BSCS Green version materials.
Chicago Style (17. basım) AtıfGregorio, Lucille. The Reaction of Selected Teachers to the Biology for Philippine High Schools: The Relationship of Living Things, an Adaptation of the BSCS Green Version Materials. 1967.
MLA (9th ed.) AtıfGregorio, Lucille. The Reaction of Selected Teachers to the Biology for Philippine High Schools: The Relationship of Living Things, an Adaptation of the BSCS Green Version Materials. 1967.
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