เกิดสุข ส., แสงเพิ่ม พ., and ประสบกิตติคุณ ท. “Conformity to Subjective Norm and Attitudes towards Breastfeeding in Public, As Observed in Mothers With Children Aged 6-12 Months”. The Journal of Thailand Nursing and Midwifery Council, vol. 33, no. 3, Sept. 2018, pp. 114-2, https://he02.tci-thaijo.org/index.php/TJONC/article/view/127710.