List of Articles generalized precedence relatio Open Access Article Abstract Page Full-Text 1 - A mathematical model for controlling the budget and variable cost of project activities in the status of time-cost tradeoff with consideration of delay penalty Mohammad Zadehkafash Ahmad Ebrahimi Open Access Article Abstract Page Full-Text 2 - Solve the problem of time-cost-quality exchange of projects in the possible case by considering possible solutions S. Farid Mousavi Kaveh Khalili-Damghani Farnaz Rezapour Arezoo Gazori-Nishabori 10.30495/imj.2022.1943331.1702