Deepjyoti Roy, A. K. Chaturvedani, Jayant Goyal, Sanjay Kumar Ravi, Dhananjay Kumar, and Anshuman Kumar, “Psychometric Validation and KR-20 Reliability of a Knowledge Tool for Semi-Intensive Pig Production”, Indian J Ext Edu, vol. 61, no. 3, pp. 104–108, Jun. 2025, doi: 10.48165/IJEE.2025.613RT03.