Biography
Singaporean educationalist
Books by Ruth H. K. Wong
Ruth Wong's unto each child th
Ruth Wong's unto each child the best
Educational innovation in Singapore
L' innovation éducative à Sing
L' innovation éducative à Singapour
A study of student progress th
A study of student progress through grouping associated with a program of sequenced instruction in elementary school mathematics
Problems of grouping for indiv
Problems of grouping for individual differences in a program of sequenced instruction in elementary school arithmetic