APRILIA, Siska; NENI MARIANA; TATAG YULI EKO SISWONO. Needs Analysis and Hypothetical Learning Trajectory for Plane Geometry Through Obor Sewu Batik Ethnomathematics in Grade Iv. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, [S. l.], v. 11, n. 2, p. 231–240, 2026. DOI: 10.33541/edumatsains.v11i2.8761. Disponível em: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/8761. Acesso em: 2 nov. 2026.