Harry Mosey, S., J. . Sony Junus Lengkong, and R. . Junior Mongdong. “Data-Based Planning In Vocational High School 1 Manado”. International Journal of Educational Research &Amp; Social Sciences, vol. 6, no. 3, June 2025, pp. 287-96, doi:10.51601/ijersc.v6i2.886.