Sigdel TP. माध्यमिक तहमा सामाजिक अध्ययन शिक्षणको अवस्था. Interdisc. Res. Educ. [Internet]. 2019 Dec. 31 [cited 2024 May 7];4(2):208-14. Available from: https://www.nepjol.info/index.php/ire/article/view/27940