PATEL, S. J. આયોજન અને ખેતી. Vidyapith (વિદ્યાપીઠ), [S. l.], v. 52, n. 01, p. 74–85, 2014. Disponível em: http://journal.gujaratvidyapith.org/index.php/vp/article/view/191. Acesso em: 10 sep. 2024.