John L., Ph.D. Holland

titleISBN-13
(ISBN-10)
year of publication
Making Vocational Choices: A Theory of Vocational Personalities and Work Environments978-O-9119O7-27-8
(O-9119O7-27-O)
1997

J.D. · J. L. · J. P. · John D. · John L. · John P. · L.D. · L.P. · Ph.D.

John L., Ph.D. Lamattina