Gypmantasiri, P., Wiboonpongse, A., Rerkasem, B., & Craig, I. (1980). An interdisciplinary perspective of cropping systems in the Chiang Mai Valley: Key questions for research. Faculty of Agriculture, University of Chiang Mai.
Citace podle Chicago (17th ed.)Gypmantasiri, Phrek, Aree Wiboonpongse, Benjavan Rerkasem, a Iain Craig. An Interdisciplinary Perspective of Cropping Systems in the Chiang Mai Valley: Key Questions for Research. Thailand: Faculty of Agriculture, University of Chiang Mai, 1980.
Citace podle MLA (9th ed.)Gypmantasiri, Phrek, et al. An Interdisciplinary Perspective of Cropping Systems in the Chiang Mai Valley: Key Questions for Research. Faculty of Agriculture, University of Chiang Mai, 1980.
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