Hensangvilai, Korakot, Ubon Pirunsan, Thanyaluck Sriboonreung, and Charintorn Wongwerayut. 2013. “Development and evaluation of a pelvic floor exercise multimedia CD-ROM in women aged 40-60 years old and pregnancy”. Archives of Allied Health Sciences 25 (3). Khon Kaen, Thailand:273-79. https://he01.tci-thaijo.org/index.php/ams/article/view/66325.