How hip wari plastic GRASP for vehicle routing problem A case study of plant water than thip. thesis in engineering science industrial engineering. Department of industrial engineering Ubon Ratchathani University graduate school (2551 (2008))
A GRASP heuristic method for vehicle routing problem of drinking water plant study Thantip. Thesis Master of Science in Industrial Engineering. Department of Industrial Engineering Graduate School Ubon Ratchathani University (2551)
GRASP heuristics for vehicle routing problem of water factory majesty.The master of Engineering in industrial engineering, Department of industrial engineering, Graduate School of University City. (2551).