perkebunan, L. P. (1976). WORKSHOP ON NEW EQUIPMENT IN INDONESIA SUGAR INDUSTRY, OCT. 20-31, 1975. LPP.
Chicagoスタイル(17版)引用形式perkebunan, Lembaga Pendidikan. WORKSHOP ON NEW EQUIPMENT IN INDONESIA SUGAR INDUSTRY, OCT. 20-31, 1975. LPP, 1976.
MLA(8版)引用形式perkebunan, Lembaga Pendidikan. WORKSHOP ON NEW EQUIPMENT IN INDONESIA SUGAR INDUSTRY, OCT. 20-31, 1975. LPP, 1976.
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