Research concepts in human behavior : education, psychology, sociology /

• Main Author: Helmstadter, G. C. (συγγραφέας.)
• Format: Book
• Language: English
• Published: New York : Appleton-Century-Crofts, [1970]
• Series: The Century psychology series
• Subjects: Κοινωνικές επιστήμες > Έρευνα.