Rafiuddin Bin Yeob Ramli และผู้แต่งคนอื่นๆ. (2012) Application of mathematic functions for identifying the joint pay-off in material procurement negotiation. Chulalongkorn University:ม.ป.ท.Rafiuddin Bin Yeob Ramli และผู้แต่งคนอื่นๆ. 2012. Application of mathematic functions for identifying the joint pay-off in material procurement negotiation. ม.ป.ท.:Chulalongkorn University;Rafiuddin Bin Yeob Ramli และผู้แต่งคนอื่นๆ. Application of mathematic functions for identifying the joint pay-off in material procurement negotiation. ม.ป.ท.:Chulalongkorn University, 2012. Print.