Referensi:
Quinn, et al. (2016). Preterm Birth: Case Definition and Guidelines for Data Collection, Analysis, and Presentation of Immunisation Safety Data. Vaccine. 34(49), pp. 6047– 6056.
Dahlia, J.K. Ikatan Dokter Anak Indonesia (2017). Pentingnya Pemantauan Tumbuh kembang 1000 Hari Pertama Kehidupan Anak.
Healthy Children, American Academy of Pediatrics. (2018). Corrected Age For Preemies.
Healthy Children, American Academy of Pediatrics. (2019). Preemie Milestones.
Healthy Children, American Academy of Pediatrics. (2019). Caring for a Premature Baby: What Parents Need to Know.
Raising Children Network Australia (2019). Suitable for 0-8 years. Premature Baby Development Concerns.
Kementerian Kesehatan RI (2017). Kualitas Manusia Ditentukan Pada 1000 Hari Pertama Kehidupannya.
Center for Disease Control and Prevention (2019). Learn The Signs. Act Early. CDC’s Developmental Milestones.
Center for Disease Control and Prevention (2019). Reproductive Health. Preterm Birth. Stanford Children's Health. Prematurity.
Drugs (2019). Growth and Development of Premature Babies. Harding, M. Patient Info UK (2018). Feeding Premature Babies.
Bird, C. Verywell Family (2019). How Long Should Your Baby Use Preemie Formula?
Bird, C. Verywell Family (2019). When Should Preemies Meet Developmental Milestones?
Friedman, JD. WebMD (2015). Your Premature Baby: Milestones for the First 18 Months.
WebMD (2018). Supplemental Feeding: What and Why. WebMD (2019). Your Preemie's Development: Birth to Age 2. Mayo Clinic (2017). Premature birth.