TY - SER TI - Instructional science SN - 0020-4277 PY - 1971///- CY - Dordrecht PB - Kluwer Academic Publishers KW - Education KW - Periodicals KW - Teaching N1 - UKM: v.4 (1975)-; Langganan bercetak ditamatkan mulai 2010 (langganan online) UR - http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0020-4277 ER -