Hong, K. (1978). An estimated economic contribution of schooling and extension in Korean agriculture Ki-Yong Hong [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Hong, Ki-Yong. An Estimated Economic Contribution of Schooling and Extension in Korean Agriculture Ki-Yong Hong [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1978.
MLA(9版)引用形式Hong, Ki-Yong. An Estimated Economic Contribution of Schooling and Extension in Korean Agriculture Ki-Yong Hong [microform]. Photoduplication Service, University of the Philippines Library, 1978.
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