Murtini, S., Sutedjo, A., Zain, I. M., & Sabitah, S. A. (2022). An EFFECTIVENESS OF LEARNING OUTCOMES OF TOURISM GEOGRAPHY TEXTBOOK FOR STUDENT IN GEOGRAPHY EDUCATION STUDY PROGRAM. JURNAL GEOGRAFI Geografi Dan Pengajarannya , 20(2), 66–76. https://doi.org/10.26740/jggp.v20n2.p66-76