David Koko E. C. O. Naibaho, Sukaria Sinulingga, and N. Nazaruddin. “ANALYSIS OF FACTORS INFLUENCING THE VALUE OF 3 STAR HOTELS IN MEDAN CITY”. Journal of Innovation Research and Knowledge, vol. 2, no. 7, Dec. 2022, pp. 2933-8, doi:10.53625/jirk.v2i7.4277.