KHAN, Muhammad Nisar; AFRIDI, Ghulam Sadiq; BIBI, Hamida; SHAH, Hassnain; TAJ, Sajida. Evaluation of a Training Program on Soil Fertility and Crop Yield Improvement Techniques: Soil Fertility and Crop Yield Improvement Techniques. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, [S. l.], v. 56, n. 1, p. 57–65, 2019. Disponível em: http://ppaspk.org/index.php/PPAS-B/article/view/186. Acesso em: 4 dec. 2025.