Kothari, C. R., & Garg, G. (2024). Research methodology: Methods and techniques (5th ed.). New Age International Publishers.

Kothari, C. R., and Gaurav Garg. Research Methodology: Methods and Techniques. 5th ed. New Delhi: New Age International Publishers, 2024.

Kothari, C. R., and Gaurav Garg. Research Methodology: Methods and Techniques. 5th ed. New Age International Publishers, 2024.