Singh, Jatinder, et al. “Postharvest Treatment of Guava (Psidium Guajava L.) Fruits With Boric Acid and NAA for Quality Regulation During Ambient Storage”. International Journal of Bio-Resource and Stress Management, vol. 8, no. Apr, 2, Apr. 2017, pp. 201-6, http://ojs.pphouse.org/index.php/IJBSM/article/view/1096.