SUNARHADI, R. M. A.; UTAYA, S.; ASTINA, I. K.; BUDIJANTO, B.; ROHSULINA, P. The effectiveness of learning materials implementation for spatial thinking ability in geographic information systems (GIS) course. Linguistics and Culture Review, [S. l.], v. 6, n. S3, p. 131-139, 2022. DOI: 10.21744/lingcure.v6nS3.2101. Disponível em: https://lingcure.org/index.php/journal/article/view/2101. Acesso em: 12 oct. 2025.