SHEKHAWAT, RAVINDRA SINGH; SINGH, K N; BHATTARAI, MADHUSUDAN; GURUNG, BISHAL; LAMA, ACHAL; SARKAR, KRISHNA PADA; DONI, RIPI. Growth and diffusion dynamics of tractor in Punjab. The Indian Journal of Agricultural Sciences, Delhi, India, v. 89, n. 6, p. 1054–1056, 2019. DOI: 10.56093/ijas.v89i6.90835. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/90835.. Acesso em: 21 sep. 2024.