SANGWAN, A. K, et al. “ECO-PHYSIOLOGICAL BEHAVIOUR AND YIELD EVALUATION OF TION OF ONION UNDER AGRI-HORTI-SILVICULTURE SYSTEM”. The Bioscan, vol. 13, no. Supplement 1, Jan. 2018, pp. 365-70, https://thebioscan.com/index.php/pub/article/view/1550.