Shah, V. D. (1989). Fertilizer consumption in Gujarat. Agro Economic Research Centre, Sardar Patel University.
Citace podle Chicago (17th ed.)Shah, V. D. Fertilizer Consumption in Gujarat. Vallabh Vidyanagar, Gujarat: Agro Economic Research Centre, Sardar Patel University, 1989.
Citace podle MLA (8th ed.)Shah, V. D. Fertilizer Consumption in Gujarat. Agro Economic Research Centre, Sardar Patel University, 1989.
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