Inventions and innovations :
1998.
Malang, Virgilio L.
Inventions and innovations : a glimpse of Filipino legacy / Malang, Virgilio L. - Manila : Goodwill Bookstores, 1998. - xviii, 309 pages
9789718822012
Inventions and patents
= BED18633 c. 1 = BED16980 c. 2
Filipiniana - H.S. Section Filipiniana - H.S. Section
Malang, Virgilio L.
Inventions and innovations : a glimpse of Filipino legacy / Malang, Virgilio L. - Manila : Goodwill Bookstores, 1998. - xviii, 309 pages
9789718822012
Inventions and patents
= BED18633 c. 1 = BED16980 c. 2
Filipiniana - H.S. Section Filipiniana - H.S. Section