APA Alıntı

Bernd Schubert. (1991). A logical framework for planning agricultural research programs. Philippines: IRRI.

Chicago Stili Alıntı

Bernd Schubert. A Logical Framework for Planning Agricultural Research Programs. Philippines: IRRI, 1991.

MLA Alıntı

Bernd Schubert. A Logical Framework for Planning Agricultural Research Programs. Philippines: IRRI, 1991.

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