Ethnopedagogy Of Innovative Acid Base Book Based On Problem Based Learning Integrated Dekke Naniura The Local Wisdom Of Batak Toba. International Journal of Environmental Sciences, [S. l.], p. 1464–1476, 2025. DOI: 10.64252/vq7bc491. Disponível em: https://theaspd.com/index.php/ijes/article/view/9317.. Acesso em: 15 sep. 2025.