Henao-Castaño, A. M., & Tobasura-Acuña, I. (2018). Rural extension approaches for the development of blackberry producers in the department of Caldas. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Henao-Castaño, Angélica María, i Isaías Tobasura-Acuña. Rural Extension Approaches for the Development of Blackberry Producers in the Department of Caldas. Universidad Pedagógica y Tecnológica de Colombia, 2018.
MLA način citiranja (9. izdanje)Henao-Castaño, Angélica María, i Isaías Tobasura-Acuña. Rural Extension Approaches for the Development of Blackberry Producers in the Department of Caldas. Universidad Pedagógica y Tecnológica de Colombia, 2018.
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