SHAGJJAV, I.; NARANTSETSEG, M. The Study on 19 Learning Activities of The Sixth-Grade Secondary School Students. Lavai - International Journal of Education, [S. l.], v. 18, n. 26, p. 1–10, 2022. DOI: 10.5564/lavai.v18i26.3290. Disponível em: https://mongoliajol.info/index.php/Lavai/article/view/3290. Acesso em: 22 jul. 2024.