Road network acts as a vein for the socio-economicdevelopment of country. To maintain sustainable development,countries all over world are investing heavily in road infrastructure development. Bangladesh, an essential partner Asian Highway, is alsoinvesting But due to poorplanning, inefficient implementing agencies, inadequate pavementdesign, low-quality construction practices, lack pavementmai...

Time-cost trade off problem (TCTP), known in the literature as project crashing problem (PCP) and project speeding up problem (PSP) is a part of project management in planning phase. In this problem, determining the optimal levels of activity durations and activity costs which satisfy the project goal(s), leads to a balance between the project completion time and the project total cost. A large...

Discussions:Costs for HBV reactivation management were estimated 688 yen per person in selective vaccination strategy compared with 350 yen per person in universal vaccination strategy, with annual discount rate of 3%. On‐one way sensitivity analysis, estimated costs were sensitive to annual discount rates and risks of HBV infections. Absolute difference in the HBV management costs was relative...