VENKANNA BABU, M. RAVI, et al. “EFFECT OF POLYAMINES ON FRUIT RETENTION AND YIELD OF MANGO (MANGIFERA INDICA L.) CV. KESAR”. The Bioscan, vol. 11, no. 1, Jan. 2016, pp. 211-4, https://thebioscan.com/index.php/pub/article/view/833.