(1976). Agronomic - economic research on tropical soils. Annual report for 1975. USA: U.S.Agency for International Development.
শিকাগো স্টাইলে সাইটেশনAgronomic - Economic Research On Tropical Soils. Annual Report for 1975. USA: U.S.Agency for International Development, 1976.
এমএলএ সাইটেশনAgronomic - Economic Research On Tropical Soils. Annual Report for 1975. USA: U.S.Agency for International Development, 1976.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.