Pichayalak Pichayakul. (2015) A Success Case of Implementing Sufficiency Economy Concept:Funeral Expenses Reduction Project. <i>Suranaree Journal of Social Science</i>, <i>9</i>(1), 1-17.Pichayalak Pichayakul. "A Success Case of Implementing Sufficiency Economy Concept:Funeral Expenses Reduction Project". Suranaree Journal of Social Science 9 (2015):1-17.Pichayalak Pichayakul. A Success Case of Implementing Sufficiency Economy Concept:Funeral Expenses Reduction Project. Suranaree University of Technology:ม.ป.ท. 2015.