Chittipa Ngamkroeckjoti. 2004. Environmental scanning, Technology strategy, and new product development among SME exporters in Thailand. Bangkok:Assumption University;
Chittipa Ngamkroeckjoti. (2004) Environmental scanning, Technology strategy, and new product development among SME exporters in Thailand (รายงานผลงานวิจัย). Assumption University:Bangkok.
Chittipa Ngamkroeckjoti. Environmental scanning, Technology strategy, and new product development among SME exporters in Thailand. Bangkok:Assumption University, 2004.
Chittipa Ngamkroeckjoti. (2004) Environmental scanning, Technology strategy, and new product development among SME exporters in Thailand (รายงานผลงานวิจัย). Assumption University:Bangkok.