Khairunisa, Nabilla Cahya, et al. “Development of a STEM-Based Board Game ‘Nest’ on the Harmony in Ecosystems Subject to Support Fifth Grade Elementary School Students’ Learning Motivation”. Journal of Educational Sciences, vol. 10, no. 10, Oct. 2026, pp. 673-92, https://doi.org/10.31258/jes.10.10.p.673-692.