Nudtapon Nudtasomboon. 1993. A methodology for the multi-objective, resource-constrained project scheduling problem. Oregon:Oregon State University;
Nudtapon Nudtasomboon. (1993) A methodology for the multi-objective, resource-constrained project scheduling problem (รายงานผลงานวิจัย). Oregon State University:Oregon.
Nudtapon Nudtasomboon. A methodology for the multi-objective, resource-constrained project scheduling problem. Oregon:Oregon State University, 1993.
Nudtapon Nudtasomboon. (1993) A methodology for the multi-objective, resource-constrained project scheduling problem (รายงานผลงานวิจัย). Oregon State University:Oregon.