สุขสาธุ อ., & จงวิศาล ร. (2019). Workplace Spirituality, Mindfulness, Work Engagement and Core Competency of First-line Managers in a Telecommunications Business Group. Journal of HR Intelligence, 14(2), 66–83. Retrieved from https://so03.tci-thaijo.org/index.php/hri/article/view/223610