Thirtha, N. V. Assessment of personality traits, why and how. Foreword by E. A. Pires. - [1st ed.] - Hyderabad, State Teacher's Union, Andhra Pradesh, 1961. - 75 p. illus. 21 cm. LCCN: sa 63002436 Subjects--Topical Terms: Personality tests. LC Class. No.: BF698 / .T537