Kanca, I.N., Ginaya, G., Sri Astuti, N.N., Susyarini, N.P.W.A. and Astuti, N.W.W. 2021. Enhancing Students’ Green Ethic-Based Problem Solving Skills in English for Tourism Subject Course. International Journal of Green Tourism Research and Applications. 3, 2 (Dec. 2021), 86–93. DOI:https://doi.org/10.31940/ijogtra.v3i2.86-93.