1. A foreign worker levy for thailand
Srawooth Paitoonpong, Montinee Chaksirinont

2. Protecting foreign investments against expropriation measures risks and concerns related to the new draft amendment
Kiratipong Naewmalee

3. Using multiple data for calculating the maternal mortality ratio in thailand
Worawan Chandoevwit, Narong Kasitipradith, Suchat Soranastaporn, Kriengsak Vacharanukulkieti, Suwit Wibulpolprasert