Luxon, T. &
Brenes, C.,
1999,
Evaluating impact. McKay, V. & Treffgarne, C. (eds.).
35 ed. London:
Department for international development (DFID),
p. 107-114 8 p. (Education research / Department for international development).
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter