Philipus, C.R., Sintaro, S., Tindi, R.G. and Destilasilika, B.Y. 2026. Two-Stage Entropy-Topsis Model For Hotel And Ecotourism Destination Selection in Bitung, North Sulawesi, Indonesia. CHAIN: Journal of Computer Technology, Computer Engineering, and Informatics. 4, 2 (Apr. 2026), 80-99. DOI:https://doi.org/10.58602/chain.v4i2.247.