Sangeetha, A. S. (2003). Seasonal occurance and ecofriendly management of pests of black pepper (Pepper nigrum L.) (M Sc.). College of Agriculture.
Chicago-tyylinen lähdeviittausSangeetha, A S. Seasonal Occurance and Ecofriendly Management of Pests of Black Pepper (Pepper Nigrum L.). M Sc. Vellayani: College of Agriculture, 2003.
MLA-viiteSangeetha, A S. Seasonal Occurance and Ecofriendly Management of Pests of Black Pepper (Pepper Nigrum L.). M Sc. College of Agriculture, 2003.
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