D. S. R. . Muppidi and D. K. R. Kothapati , Trans., “LIBRARY SERVICES AND FACILITIES DISTRICT CENTRAL LIBRARIES OF CENTRAL COASTAL DISTRICTS OF ANDHRA PRADESH: A SURVEY”, Jour.Ind.Lib.Asso., vol. 61, no. 04, pp. 447–456, Jan. 2026, doi: 10.34256/.