Material ordering with discount policy integrated with a project scheduling problem. - Aria Shahsavar; Babak Abbasi; Nima Zoraghi (IEEM, 2015)

Three self-adaptive multi-objective evolutionary algorithms for a triple-objective project scheduling problem. - Aria Shahsavar; Amir Abbas Najafi; Seyed Taghi Akhavan Niaki (Comput. Ind. Eng., 2015)

A hybrid project scheduling and material ordering problem: Modeling and solution algorithms. - Nima Zoraghi; Aria Shahsavar; Seyed Taghi Akhavan Niaki (Appl. Soft Comput., 2017)

Integration of resource investment problem with quantity discount problem in material ordering for minimizing resource costs of projects. - Aria Shahsavar; Nima Zoraghi; Babak Abbasi (Oper. Res., 2018)