Suherman, ., R. Ardi, A. Muhyidin, D. E. Juansah, and S. Widiastuti. “THE BUDGET CALCULATION WITH TWO-PHASE REGRESSION TO ESTIMATE THE AFFORDABLE COSTS OF EDUCATION IN SERANG CITY”. PEOPLE: International Journal of Social Sciences, vol. 2, no. 2, July 2016, pp. 55-63, doi:10.20319/pijss.2016.22.5563.