SHEKHAWAT RS, SINGH KN, BHATTARAI M, GURUNG B, LAMA A, SARKAR KP, et al. Growth and diffusion dynamics of tractor in Punjab. Indian J Agri Sci [Internet]. 2019 Jun. 19 [cited 2024 Sep. 21];89(6):1054–1056. Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/90835