Oraporn Chinajariyawong. 2007. Satisfaction of visitors to planetarium shows at the Bangkok Planetarium. Bangkok:Thammasat University;
Oraporn Chinajariyawong. (2007) Satisfaction of visitors to planetarium shows at the Bangkok Planetarium (รายงานผลงานวิจัย). Thammasat University:Bangkok.
Oraporn Chinajariyawong. Satisfaction of visitors to planetarium shows at the Bangkok Planetarium. Bangkok:Thammasat University, 2007.
Oraporn Chinajariyawong. (2007) Satisfaction of visitors to planetarium shows at the Bangkok Planetarium (รายงานผลงานวิจัย). Thammasat University:Bangkok.