S. Girish, M. Anjali,. “A Study on Awareness of Postal Schemes and Doorstep Postal Banking With Special Reference to Kerala”. International Journal of Advanced Science and Technology 29, no. 4s (March 19, 2020): 600 - 606. Accessed March 29, 2024. http://sersc.org/journals/index.php/IJAST/article/view/6368.