V. . Singisetti, Ashokkumar, Peddi Naga Harsha Vardhan, B. . Ghose, and B. Pavan Kumar Naik, “Perception and Utilisation of Rythu Seva Kendra (RSK) Services among Tribal Farmers in North Coastal Andhra Pradesh”, Indian J Ext Edu, vol. 62, no. 4, pp. 97–102, Aug. 2026, doi: 10.48165/IJEE.2026.62413.