Khongchana, Kanjana, Prapaporn Chukumnerd, and Warangkana Chatchawet. 2016. “The Effectiveness of Practice Guideline Using Yogic-Based Health Promotion for Pregnant Women on Discomfort During Pregnancy”. Journal of Research in Nursing-Midwifery and Health Sciences 36 (2):133-47. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/65343.