00510nam a2200133 a 450000500170000000800410001710000250005824501570008326000520024030000150029265000300030765000280033785200110036520190520021131.0080129s19uu    xx            00    eng d10aTalisayon, Serafin D10aTextbook on technological creativity and invention development :bcombined basic and primary course /cedited by Serafin D. Talisayon and Zinnia Teruel.0 aTaguig, MM :bAsia-Pacific Inventschool,c1985.  avi, 143 p.  aTechnological innovations  aInventionsxPhilippines  7OLOPSC