http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Van Hiele levels of geometric thought in relation to similarity and congruence in triangles
Also available on microfilm. Kuala Lumpur : Perpustakaan Universiti Malaya, 1996. 1 reel : negative ; 35 mm.
Dissertation (M.Ed.) - Fakulti Pendidikan, Universiti Malaya, 1989