A study of in-service training needs of P.E.Os. and P.V.Ps. of Bihar

Jha, S.N.Prasad, Sachchida Nand2022-01-072022-01-071978https://krishikosh.egranth.ac.in/handle/1/5810180488EnglishA study of in-service training needs of P.E.Os. and P.V.Ps. of BiharThesis