Subong, N. L. (1971). The teaching difficulties of elementary school teachers of modern mathematics in some selected public schools in Manila.
Citazione stile Chigago Style (17a edizione)Subong, Nieva Liberia. The Teaching Difficulties of Elementary School Teachers of Modern Mathematics in Some Selected Public Schools in Manila. 1971.
Citatione MLA (9a ed.)Subong, Nieva Liberia. The Teaching Difficulties of Elementary School Teachers of Modern Mathematics in Some Selected Public Schools in Manila. 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.