Dewi, Sinta Verawati, et al. “TeknoMatika: Technology and Product Differentiation Training to Improve Mathematics teachers’ Competence in Pangandaran”. Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang, vol. 9, no. 4, Nov. 2024, pp. 787-98, doi:10.26905/abdimas.v9i4.14139.