Book

-, - (1988) Active Learning and Professional Support Changing Primary Schools Throught Support For The Teachers. Curriculum Development Centre, Jakarta.

Sukandi, Ujang and Tangyong, A.F. (1988) CBSA penggunaan kertas berpetak dalam matematika : membina guru mengajar matematika di sekolah dasar. Badan Penelitian Dan Pengembangan Pendidikan Dan Kebudayaan, Jakarta.