00512nam a2200145 a 4500 20191206014500.0 070908s19uu xx 00 eng d 9715980018 Canonigo, Cristina Santos. Book of w's : who? what? when? where? why? : informative ! educational ! / C.S. Canonigo. Manila : Jucip Books, c1999. ix, 208 p. Questions and answers 51036 51036