WIDODO, Sri Adi; L, Lestariningsih; EKAWATI, Rooselyna; KUNCORO, Krida Singgih; T, Trisniawati; CHIPHAMBO, Shakepear M. Feasibility of an Electronic Worksheet for Geometry and Measurement Based on Tri-N and Ethno-Math. Formatif : Jurnal Ilmiah Pendidikan MIPA, Jakarta, Indonesia, v. 16, n. 2, p. 241–254, 2026. DOI: 10.30998/formatif.v16i2.2186. Disponível em: https://newjournal.lppmunindra.ac.id/index.php/formatif/article/view/2186. Acesso em: 16 oct. 2026.