Trianingsih, R., E. A. Ismaya, and Khamdun. “The Effect of PBL Assisted With Crosswords on Increasing Learning Outcomes and Motivation”. Uniglobal Journal of Social Sciences and Humanities, vol. 3, no. 1, July 2024, pp. 130-6, doi:10.53797/ujssh.v3i1.20.2024.