Basas, R. B. Effects of mathematics homework on the mathematics achievement of grade four pupils.
Chicago-referens (17:e uppl.)Basas, Rosemarie B. Effects of Mathematics Homework on the Mathematics Achievement of Grade Four Pupils. Quezon City, 1980.
MLA-referens (9:e uppl.)Basas, Rosemarie B. Effects of Mathematics Homework on the Mathematics Achievement of Grade Four Pupils.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.