Pakaya, Y. and Marsigit, M. 2023. TRIANGLE CONCEPT CONSTRUCTION THROUGH ETHNOMATHEMATICS-BASED ONLINE LEARNING OF KALAMATA FORT ARTIFACTS. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 17, 4 (Dec. 2023), 2317-2324. DOI:https://doi.org/10.30598/barekengvol17iss4pp2317-2324.