Tesya Sisilia Lupa, Natalia Y. T. Gerungai, and Priscilia Weku. “Analysis of the Implementation of Activity Based Costing to Increase Cost Efficiency at Hotel Mel’s in Manado”. Formosa Journal of Applied Sciences, vol. 2, no. 10, Nov. 2023, pp. 2551-72, doi:10.55927/fjas.v2i10.6532.