Mehdi, I. . (2024) “Yield and Profitability Analysis of Orange Flesh Sweet Potato (Ipomoea batatas (L.) Lam.) Varieties at Different Rates of Blended NPSB Fertilizers at Central Ethiopia”, B.R. Nahata Smriti Sansthan Agricultural Extension Journal (AEXTJ), 8(02). doi: 10.22377/aextj.v8i02.425.