Nikodimus Martin Kodinar, Timotuis Tote Jelahu, and Modestus Haryono, “Peningkatan Keaktifan Siswa Melalui Penerapan Problem Based Learning (PBL) pada Materi ‘Aku Memiliki Kemampuan’ di SMP Negeri 7 Sintang”, SEMNASPA, vol. 5, no. 2, pp. 2972–2978, Oct. 2024.