NAPITUPULU, Efendi; TAMBUNAN, Hamonangan; SEBAYANG, Nono. Development of Textbooks Based on Local Wisdom for Character Building of Elementary Education Students. International Journal of Advanced Engineering, Management and Science, [S. l.], v. 7, n. 1, 2021. Disponível em: https://journal-repository.com/index.php/ijaems/article/view/3092.. Acesso em: 5 dec. 2024.