Calderón, R. A., & Sánchez, L. A. (2011). Diagnosis of bee diseases in africanized honey bees in Costa Rica: Prevalence and distribution from September to November 2007.
শিকাগো স্টাইলে সাইটেশনCalderón, Rafael A., এবং Luis A. Sánchez. Diagnosis of Bee Diseases in Africanized Honey Bees in Costa Rica: Prevalence and Distribution From September to November 2007. 2011.
এমএলএ সাইটেশনCalderón, Rafael A., এবং Luis A. Sánchez. Diagnosis of Bee Diseases in Africanized Honey Bees in Costa Rica: Prevalence and Distribution From September to November 2007. 2011.
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