APA Alıntı

Popenoe, H. (1976). Soil conservation in Central America and Panama: Current problems.

Chicago Stili Alıntı

Popenoe, Hugh. Soil Conservation in Central America and Panama: Current Problems. 1976.

MLA Alıntı

Popenoe, Hugh. Soil Conservation in Central America and Panama: Current Problems. 1976.

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