Kunlathida Panthong, Songkoon Chantachon, S. S. T. T. P. S. S. H. “Postpartum Maternal Health Care Approaches Using Wisdom of Folk Philosopher in Chonburi Province”. Design Engineering, Sept. 2021, pp. 175-83, http://thedesignengineering.com/index.php/DE/article/view/4868.