A. V. Payungallo, B. P. Alridya, R. T. Ardiyani, S. A. D. Setyowati, and Y. P. Kisnanto, “Enhancing young learners’ english vocabulary learning with gamified flashcards: A community service at SD St. Theresia Marsudirini 77 Salatiga”, Penamas J. Community Serv., vol. 6, no. 2, pp. 441–450, May 2026.