TY  - BOOK
AU  - Sneh Bunyahong
AU  - Pongsri Sakdapolaraks
AU  - Boonyeun Sermsaksakoon.
TI  - An introduction to sets for thai teachers
PY  - 1970///
CY  - Penang
PB  - SEAMEO Regional Centre for Edu. in Science and Mathematics
KW  - Pongsri Sakdapolaraks.
KW  - Mathematics
KW  - Study and teaching (Primary)
KW  - Thailand
KW  - 1961-
ER  -