Torthaí cuardaigh - Yeo, Adrian
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1
Are you the king or are you the joker? play math for young children /
Foilsithe / Cruthaithe 2006An electronic book accessible through the World Wide Web; click to view
Leictreonach Ríomhleabhar -
2
Trig or treat an encyclopedia of trigonometric identity proofs (TIPs), intellectually challenging games /
Foilsithe / Cruthaithe 2007An electronic book accessible through the World Wide Web; click to view
Leictreonach Ríomhleabhar