Chetthapoom Wannapaisan และ Pristsana Koonnala;Pichaphob Panphae;Ravee Phoewhawm. (2022) The Impact of Teachers' Assistance, Peer Support, & Self-Motivation on Thai Undergraduates' Learning and Performance Behaviour: A Psychological Safety and Security Approach. <i>Journal of Family Business and Management Studies</i>, <i>14</i>(1), 31-60.Chetthapoom Wannapaisan และ Pristsana Koonnala;Pichaphob Panphae;Ravee Phoewhawm. "The Impact of Teachers' Assistance, Peer Support, & Self-Motivation on Thai Undergraduates' Learning and Performance Behaviour: A Psychological Safety and Security Approach". Journal of Family Business and Management Studies 14 (2022):31-60.Chetthapoom Wannapaisan และ Pristsana Koonnala;Pichaphob Panphae;Ravee Phoewhawm. The Impact of Teachers' Assistance, Peer Support, & Self-Motivation on Thai Undergraduates' Learning and Performance Behaviour: A Psychological Safety and Security Approach. University of the Thai Chamber of Commerce:ม.ป.ท. 2022.