M. Y. . Sawitri, I. K. . Budarma, I. M. D. . Oka, I. P. . Budiarta, I. K. . Suja, and L. E. Armoni, “Hotel’s CSR Implementation Based on PROPER Program for Sustainable Tourism Development”, jbmb, vol. 3, no. 2, pp. 145–156, Aug. 2022.