De Leon, M. V. The national language provisions of the 1987 constitution: Their implications for educational policies and programs.
Chicagoスタイル(17版)引用形式De Leon, Manuel V. The National Language Provisions of the 1987 Constitution: Their Implications for Educational Policies and Programs.
MLA(9版)引用形式De Leon, Manuel V. The National Language Provisions of the 1987 Constitution: Their Implications for Educational Policies and Programs.
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