"ltth, mike . "
making patterns i: / mike.. ltth - 1 ed. - hong kong : longman 1985. - "vii, 164p.; 27 cm." - exploring science .
0 582 33142 0
JK2495 / .M35 1985
making patterns i: / mike.. ltth - 1 ed. - hong kong : longman 1985. - "vii, 164p.; 27 cm." - exploring science .
0 582 33142 0
JK2495 / .M35 1985