K K SHRIVASTAVA. (2004). ENVIRONMENTAL EDUCATION PRINCIPLES CONCEPTS AND MANAGEMENT. KANISHKA PUBLISHERS.
シカゴスタイル引用形K K SHRIVASTAVA. ENVIRONMENTAL EDUCATION PRINCIPLES CONCEPTS AND MANAGEMENT. KANISHKA PUBLISHERS, 2004.
MLA引用形式K K SHRIVASTAVA. ENVIRONMENTAL EDUCATION PRINCIPLES CONCEPTS AND MANAGEMENT. KANISHKA PUBLISHERS, 2004.
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