Supavatcharasarn, Jarinta, and Parnnarat Sangperm. “Predictors of Breast Milk Expression Behavior in Working Mothers”. Nursing Science Journal of Thailand 36, no. 4 (December 31, 2018): 66–76. Accessed October 4, 2022. https://he02.tci-thaijo.org/index.php/ns/article/view/176899.