ZAHEER, R.; KHATTAK, S. W. IMPACT OF FARM INPUTS ON COTTON PRODUCTION IN PAKISTAN (1980-2013). Journal of Social Sciences and Humanities, [S. l.], v. 53, n. 1, p. 95–103, 2014. Disponível em: https://www.jsshuok.com/oj/index.php/jssh/article/view/203. Acesso em: 3 jul. 2022.