Sosa, R. (1997). Recognition of agroforestry systems shadow-coffee and their characteristics of rentability and risk in Rivas Pérez Zeledón, Costa Rica.
শিকাগো স্টাইলে সাইটেশনSosa, Rosa. Recognition of Agroforestry Systems Shadow-coffee and Their Characteristics of Rentability and Risk in Rivas Pérez Zeledón, Costa Rica. 1997.
এমএলএ সাইটেশনSosa, Rosa. Recognition of Agroforestry Systems Shadow-coffee and Their Characteristics of Rentability and Risk in Rivas Pérez Zeledón, Costa Rica. 1997.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.