R. Laba, Melkyanus Bili Umbu Kaleka, and Aloisius Harso, “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERINTEGRASI KAHOOT TERHADAP PEMAHAMAN KONSEP FISIKA SISWA MAN ENDE”, NDRUMI, vol. 9, no. 1, pp. 31-46, Feb. 2026.