Khan MN, Afridi GS, Bibi H, Shah H, Taj S. Evaluation of a Training Program on Soil Fertility and Crop Yield Improvement Techniques: Soil Fertility and Crop Yield Improvement Techniques. PPASB [Internet]. 2019 Mar. 9 [cited 2026 Jan. 20];56(1):57–65. Available from: https://mail.ppaspk.org/index.php/PPAS-B/article/view/186