Yadav, B., and M. Upadhyay. “Study of Frustration in Personality Traits on the Basis of Socio-Econimic Level of Students Studying at Secondry Level”. Anusandhaan - Vigyaan Shodh Patrika, Vol. 9, no. 1, Oct. 2021, pp. 41-45, doi:10.22445/avsp.v9i1.8.