Loiduenxai, Jidapa. 2010. “The use of cloth bags in place of plastic bags for the delivery of medicine and medical accessories at Queen Savang Vadhana Memorial Hospital”. Journal of Public Health and Development 8 (1). Bangkok, Thailand:84-95. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/105458.