1. Aeronautics : an educator's guide with activities in science, mathematics, and technology education
پدیدآورنده : United States. National Aeronautics and Space Administration
کتابخانه: Library of Razi Metallurgical Research Center (Tehran)
موضوع : Study and teaching -- Activity programs ، Aeronautics
رده :
TL
521
.
A3
2002
2. Amateur radio in space : a teacher's guide with activities in science, mathematics, and technology
پدیدآورنده : United States. National Aeronautics and Space Administration
کتابخانه: Library of Razi Metallurgical Research Center (Tehran)
موضوع : Communication systems ، Astronautics,Study and teaching )Elementary( -- Activity programs ، Radio in aeronautics
رده :
TL
789
.
8
.
A688
1998
