Hellow guys, Welcome to my website, and you are watching 아동 발달단계별 특성] 19개월아기~20개월아기 발달 정리! 19 months baby development. and this vIdeo is uploaded by 강남연세언어치료연구소I Speech Therapy at 2020-11-06T06:05:44-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.