An introduction to sets for thai teachers /
Sneh Bunyahong
An introduction to sets for thai teachers / by Sneh Bunyahong , Pongsri Sakdapolaraks , Boonyeun Sermsaksakoon. - Penang : SEAMEO Regional Centre for Edu. in Science and Mathematics, 1970. - 141 p. : ill. ; 25 cm.
Pongsri Sakdapolaraks.
Mathematics--Study and teaching (Primary)--Thailand.
Mathematics--1961-
An introduction to sets for thai teachers / by Sneh Bunyahong , Pongsri Sakdapolaraks , Boonyeun Sermsaksakoon. - Penang : SEAMEO Regional Centre for Edu. in Science and Mathematics, 1970. - 141 p. : ill. ; 25 cm.
Pongsri Sakdapolaraks.
Mathematics--Study and teaching (Primary)--Thailand.
Mathematics--1961-
