D. Sekhara Rao, J. Sri Lakshmi, C. Sahyaja, and G. Dimple, “A Study on Marketing Strategies using Social Media in Facebook, Youtube, Pinterest”, IJET, vol. 7, no. 2.20, pp. 114–118, Apr. 2018, doi: 10.14419/ijet.v7i2.20.12186.