Youssef Fadhil Shlash. “Using Time-Driven Activity-Based Costing (TDABC) to Rationalize Hotel Service Costs”. International Journal on Economics, Finance and Sustainable Development, Vol. 6, no. 10, Oct. 2024, pp. 260-6, https://journals.researchparks.org/index.php/IJEFSD/article/view/5325.