Siriporn Somboonboorana. (2015) The Integrated Learning Process of Problem-based Learning and Contemplative Study in the Course of Humanity Life and Self Development. <i>Journal of Learning Innovations Walailak University</i>, <i>1</i>(2), 39-59.Siriporn Somboonboorana. "The Integrated Learning Process of Problem-based Learning and Contemplative Study in the Course of Humanity Life and Self Development". Journal of Learning Innovations Walailak University 1 (2015):39-59.Siriporn Somboonboorana. The Integrated Learning Process of Problem-based Learning and Contemplative Study in the Course of Humanity Life and Self Development. Walailak University:ม.ป.ท. 2015.