RAVINDER SINGH AND T. S. RIAR. Integrated Farming Systems Approach for Income Enhancement and Employment Generation in North-West India. Indian Journal of Extension Education, India, v. 50, n. 1&2, p. 59–62, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/144309.. Acesso em: 27 jul. 2024.