Lopez, A. A. (1959). Problems of instruction in the vernacular in selected grade one classes in the Baguio City public and private elementary schools.
Lua i Stíl Chicago (17ú heag.)Lopez, Aurea A. Problems of Instruction in the Vernacular in Selected Grade One Classes in the Baguio City Public and Private Elementary Schools. 1959.
Lua MLA (9ú heag.)Lopez, Aurea A. Problems of Instruction in the Vernacular in Selected Grade One Classes in the Baguio City Public and Private Elementary Schools. 1959.
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