Ruckchart, Supparerk, Thai Study Institute, Chulalongkorn University, Patumwan
Rugchati, Orose, คณะเกษตรศาสตร์ ทรัพยากรธรรมชาติและสิ่งแวดล้อม มหาวิทยาลัยนเรศวร จ.พิษณุโลก 65000
Faculty of Agriculture, Natural Resource and Environment, Naresuan University, Phitsanulok, Thailand.
Ruksat, Suvin, Graduate School, Buddhist Studies, Mahamakut Buddhist University
Rurkwararuk, Warawude, Faculty of Business Economics, and Communications, Naresuan University
Ruttanapibool, Jutamat, Faculty of Commerce and Management, Prince of Songkla University, Trang Campus
Ruttanaprasert, Ruttanachira, Department of Plant Science, Textiles and Design, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan Surin Campus