TY  - BOOK
AU  - Pyong-hŏn Yi (Actor).
AU  - Yo-jong Yun (Actor).
AU  - Chong-min Pak (Actor).
TI  - Keys to the heart :
SN  - 8809602682070
PY  - 2019///
CY  - Korea
PB  - (Chu) At'ŭ Sŏbisŭ, [Korea].
KW  -  Autistic people
N1  - 2019; (Chu) At'ŭ Sŏbisŭ, [Korea],; Pyong-hŏn Yi (Actor), Yo-jong Yun (Actor), Chong-min Pak (Actor)
ER  -