Bung Klaus Towards a theory of programmed lanugage instruction - Hague Mouton 1973 - 104p. illus cm. - Janua linguarum : Studia memoriae Nicolai Van Wijk dedicata , ed by C H Van Schooneveld . Appendix 76-92p (I-II); Bib 93-99p Standard No.: 46,273 Source: Textual Subjects--Topical Terms: LINGUISTICS Dewey Class. No.: Py1, L3 (PD)