L. Fatmawati and N. L. . Qomariya Eka Putri, “EDUCATION VIDEO ‘GEMITA’ (GEMAR MENCUCI TANGAN) AS AN OPTIMIZATION STEP FOR 6 STEPS HAND WASHING BEHAVIOR IN KINDERGARTEN CHILDREN”, JPMK, vol. 7, no. 1, pp. 43–50, Apr. 2025.