Duangsamorn Phoparisuth. 2007. Spending leisure to participate in recreation activities among employees in a financial institution. Bangkok:Thammasat University;
Duangsamorn Phoparisuth. (2007) Spending leisure to participate in recreation activities among employees in a financial institution (รายงานผลงานวิจัย). Thammasat University:Bangkok.
Duangsamorn Phoparisuth. Spending leisure to participate in recreation activities among employees in a financial institution. Bangkok:Thammasat University, 2007.
Duangsamorn Phoparisuth. (2007) Spending leisure to participate in recreation activities among employees in a financial institution (รายงานผลงานวิจัย). Thammasat University:Bangkok.