Oleh: Ihdina Khusnasani
Penulis Buku: Seung Jin Roh, Eun Young Choi, Hwang Ji Sung
Ilustrator: Seung Jin Roh, Eun Young Choi, Hwang Ji Sung
Penerbit: The Asia Foundation – Let’s Read
Audiobook “Kaka dan Bulatan Biru” Gemari baca | Let’s Read
