Workbook in celestial navigation 1 /
Ynion, Eugenio, J.
Workbook in celestial navigation 1 / Eugenio J. Ynion. - Philippines ; Philippine Foundation for maritime teaching aids, Inc., 2003 - 41 pages : illustration ; 23 cm.
9719237541
Celestial navigation--workbook
623.89 / Y53w
Workbook in celestial navigation 1 / Eugenio J. Ynion. - Philippines ; Philippine Foundation for maritime teaching aids, Inc., 2003 - 41 pages : illustration ; 23 cm.
9719237541
Celestial navigation--workbook
623.89 / Y53w