N. V. Holla, S. K. Chivukula, and S. Kaniambady, “Closing the immunity gap through the strategy of intensification of routine immunization using the offline tool immunogram and supportive supervision - experiences from the rural health training centre of KVG medical college, Karnataka”, Int J Community Med Public Health, vol. 3, no. 12, pp. 3450–3455, Dec. 2016.