@phdthesis{421b77b6f65543dea8dc85286b52d787,
title = "English language proficiency and contextual factors influencing mathematics achievement of secondary school pupils in South Africa",
keywords = "IR-68213",
author = "Cross, \{Sarah Jane\}",
note = "auteursnaam op omslag: Sarah Howie ",
year = "2002",
month = jun,
day = "27",
language = "English",
isbn = "978-90-365-1741-6",
publisher = "University of Twente",
address = "Netherlands",
type = "PhD Thesis - Research UT, graduation UT",
school = "University of Twente",
}