Amalia, A., R. U. Sundasewu, and D. G. Ranadireksa. “Effectiveness of Role-Play Method in Improving Japanese Speaking Ability of Prospective Indonesian Migrant Workers at Vocational Training Center”. Japanology: The Journal of Japanese Studies, vol. 10, no. 2, Dec. 2023, pp. 180-9, doi:10.20473/jjs.v10i2.51620.