Abeysinghe, A. (1974). Papain industry in Sri Lanka: Papaw cultivation for papain, processing of papaw latex into papain, and domestic and international marketing. Ministry of Plantation Industries.
Cytowanie według stylu Chicago (wyd. 17)Abeysinghe, Ariya. Papain Industry in Sri Lanka: Papaw Cultivation for Papain, Processing of Papaw Latex into Papain, and Domestic and International Marketing. Colombo: Ministry of Plantation Industries, 1974.
Cytowanie według stylu MLA (wyd. 8)Abeysinghe, Ariya. Papain Industry in Sri Lanka: Papaw Cultivation for Papain, Processing of Papaw Latex into Papain, and Domestic and International Marketing. Ministry of Plantation Industries, 1974.
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