Consumers Association of Penang. (1978). Padi pollution in Kuala Kedah. Consumers' Association of Penang.
Chicago-viite (17. p.)Consumers Association of Penang. Padi Pollution in Kuala Kedah. [Pinang]: Consumers' Association of Penang, 1978.
MLA-viite (8. p.)Consumers Association of Penang. Padi Pollution in Kuala Kedah. Consumers' Association of Penang, 1978.
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