बहुकक्षा बहुस्तर शिक्षण सिकाइ र यसको सान्दर्भिकता {Multi class multilevel teaching learning and its relevance}. Educator J. [Internet]. 2022 Jul. 27 [cited 2026 Jul. 18];10(1):17-29. Available from: https://nepjol.info/index.php/tej/article/view/46873