Citations

Showing 1-8 of 8
Journal Article
Haileselassie, Bereket, Tjeerd-Jan Stomph, and Ellis Hoffland. "Teff (Eragrostis tef) production constraints on Vertisols in Ethiopia: farmers' perceptions and evaluation of low soil zinc as yield-limiting factor." Soil Science and Plant Nutrition 57, no. 4 (2011): 587-596.
Journal Article
Howie, Sarah, and Tjeerd Plomp. "TIMSS-Mathematics findings from national and international perspectives: in search of explanations." Educational Research and Evaluation: an international journal on theory and practice 11, no. 2 (2005): 101-106.
Book Section
Howie, Sarah, and Tjeerd Plomp. "International handbook of educational policy." International Comparative Studies of Education and Large-Scale Change (2005).
Book
Plomp, Tjeerd, Sarah Howie, and Barry McGaw. International handbook of educational evaluation. : Springer, 2003.
Journal Article
Howie, S, and T Plomp. "Mathematical literacy of school leaving pupils in South Africa." International Journal of Educational Development (2002).
Showing 1-8 of 8