Sangwan, S., Sangeeta, . and Punia, S. (2012) “Role of Ecological Variables on Language Performance of Preschoolers”, Himachal Journal of Agricultural Research, 38(1), p. 55-­60. Available at: https://www.hjar.org/index.php/hjar/article/view/128495 (Accessed: 16 August 2025).