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Diakses 1 September 2020The Bump. https://www.thebump.com/pregnancy-week-by-week/33-weeks-pregnant
Diakses 1 September 2020What to Expect. https://www.whattoexpect.com/pregnancy/week-by-week/week-33.aspx
Diakses 1 September 2020Baby Center. https://www.babycenter.com/pregnancy/week-by-week/33-weeks-pregnant
Diakses 15 Desember 2020