Kalsi, P S Organic reactions: and their mechanisms / P S Kalsi. - 5th ed. ( in two colours ) - New Delhi: New age international, 2021. - xxiv, 699 p.: illustrations; 26 cm. Includes index. ISBN: 9789389802085 Subjects--Index Terms: ORGANIC REACTIONS Dewey Class. No.: 547.139 / KAL/O