Kothari, C. (1990). Research methodology /2e: Methods and techniques (2nd Ed.). New Age International.
Chicago Edition CitationKothari, C.R. Research Methodology /2e: Methods and Techniques. 2nd Ed. New Delhi: New Age International, 1990.
ציטוט MLAKothari, C.R. Research Methodology /2e: Methods and Techniques. 2nd Ed. New Age International, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.