Budi Lestari, Purwanto, and Ade Eka Anggraini. “The Influence of Project-Based Learning (P5 Activity) on Improving Students’ Collaboration Learning Skills”. ELSE (Elementary School Education Journal): Jurnal Pendidikan dan Pembelajaran Sekolah Dasar 9, no. 2 (October 1, 2025). Accessed December 5, 2025. https://journal.um-surabaya.ac.id/pgsd/article/view/23483.