A development approach to the adult learner microform : implications for the continued professional education of teachers : leadership in education project for managers and administrators of language development services 1987-1990 / Kathleen M. Varah, Clemens L. Hallman (Leadership training monograph ; no. 1)
A development approach to the adult learner microform : implications for the continued professional education of teachers : leadership in education project for managers and administrators of language development services 1987-1990 / Kathleen M. Varah, Clemens L. Hallman