Sanchez, Custodiosa Ancheta Psychology applied to business and industry / C.A. Sanchez - Rev ed. - Metro Manila, Philippines : National Book Store, Inc., ©1987. - xiii, 176 pages : illustrations ; 22 cm. ISBN: 971-08-3881-4 Subjects--Topical Terms: Psychology LC Class. No.: BF121 / .Sa551 1987