N. V. Kumbhare, Anil Kumar, K. Singh3 S. Chowdhuary 2022. Micro Analysis of Yield Gap and Associated Constraints in Adoption of Wheat (Triticum aestivum L. emend. Fiori & Paol) Production Technologies in Bihar. Indian Journal of Extension Education. 48, 3&4 (Oct. 2022), 22–25.