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Diakses 20 Januari 2020Made for Mums. https://www.madeformums.com/baby/facing-in-or-facing-out-whats-the-safest-way-for-baby-carriers-and-slings/
Diakses 20 Januari 2020Pathways to Family Wellness. https://pathwaystofamilywellness.org/The-Outer-Womb/seven-reasons-to-not-carry-baby-facing-out.html
Diakses 20 Januari 2020Mom Loves Best. https://momlovesbest.com/forward-facing-in-baby-carrier
Diakses 20 Januari 2020