World famous scientists and inventors supplementary for el-hi students

World famous scientists and inventors supplementary for el-hi students

Taispeáin gach leagan (3)
Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Alba, Rene
Formáid: LEABHAR
Foilsithe / Cruthaithe: Quezon City Century Pub. c1993.
Ábhair:
Inventors > Biography.
Scientists > Biography.