MUHAMMAD NISAR KHAN; GULNAZ HAMEED; ARSHAD MAHMOOD MALIK; SAIMA ASAD. Economics of Inter-Cropping: A Case Study of Onion and Tomato at District Muzaffargarh, Punjab, Pakistan. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, [S. l.], v. 60, n. 3, p. 413–430, 2023. DOI: 10.53560/PPASB(60-3)833. Disponível em: http://ppaspk.org/index.php/PPAS-B/article/view/1175. Acesso em: 3 dec. 2025.