J.S. MATHI, T. S. SOHAL AND R. K. GUPTA, “KNOWLEDGE AND OPINION OF EXTENSION PERSONNEL TOWARDS EFFECTIVENESS OF FARM  ADVISORY SERVICE OF PUNJAB AGRICULTURAL UNIVERSITY, LUDHIANA IN DEVELOPMENTAL PROGRAMMES OF AGRICULTURE”, Indian J Ext Edu, vol. 9, no. 3 & 4, Nov. 2024, doi: 10.48165/.