Using white and black cards to indicate understood to teachers their understanding

Jl. Meruya Ilir No.89, RT. 001 / 005, Meruya Utara,
Kembangan, Meruya Utara, Kembangan,
Jakarta Barat, Jakarta, Indonesia
Phone : +62 21 586 7548-49
WA : +62 878 7724 1078
Fax : +62 21 584 7951
Email : admission-kj@raffles-international.org