เกิดสุข สุพัชรี, แสงเพิ่ม พรรณรัตน์, and ประสบกิตติคุณ ทัศนี. 2018. “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 33 (3):114-24. https://he02.tci-thaijo.org/index.php/TJONC/article/view/127710.