Irani DW, Lutfiani ER, Hareni SAS, Hidayatin N, Muawiyan N, Prahani BK, et al. Profile of Students’ Physics Problem-Solving Skills and the Implementation of Digital Book-Assisted PBL for SDG 4. J. Curr. Stud. SDGs [Internet]. 2026 Apr. 17 [cited 2026 Sep. 22];2(1):116. Available from: https://journal.i-ros.org/index.php/JOCSIS/article/view/116