Ching, L. S. (1968). A STUDY OF MARKETING OF SMALLHOLDERS, RUBBER AT THE FIRST TRADELEVEL IN SELANGOR RRIM - REPORT NO. 4. RRIM.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChing, Lim Sow. A STUDY OF MARKETING OF SMALLHOLDERS, RUBBER AT THE FIRST TRADELEVEL IN SELANGOR RRIM - REPORT NO. 4. RRIM, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChing, Lim Sow. A STUDY OF MARKETING OF SMALLHOLDERS, RUBBER AT THE FIRST TRADELEVEL IN SELANGOR RRIM - REPORT NO. 4. RRIM, 1968.
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