L. M. N. Ikhsan, L. Herayanti, dan I. N. Dewi, “Development of PjBL-Based Science Teaching Materials Integrated with Gendang Beleq Ethnoscience on Sound Concepts to Improve Students’ Science Process Skills”, J. Prisma. Sains, vol. 14, no. 3, hlm. 1572–1596, Jun 2026.