Orientation

american education de young, chris .a 1968 Business Administration Weimer, Arthur M 1962 Echoes of bats and men Griffin, Donald R. 1959 Measurement and Evaluation Remmers, H.H., Gage, N.L., Rummel, J. Francis 1965 Route-mapping and position-locating in unexplored regions Filchner, Wilhelm 1957 Spatial disorientation in aviation edited by Fred H. Previc, William R. Ercoline 2004 TOEFL iBT Sharpe, J. Pamela 2007