“THE EFFECTIVENESS OF AN ENGLISH CROSSWORD PUZZLE GAME TO IMPROVE VOCABULARY MASTERY OF 7TH GRADE STUDENTS AT SMPN 2 PONTIANAK”. KHELIE: Khatulistiwa English Language and Linguistics, vol. 2, no. 2, Dec. 2024, pp. 1-15, https://doi.org/10.24260/khelie.v2i1.4126.