Dr. A. Kadhar Lal , N. Abdul Hareez. 2021. “A STUDY ON CUSTOMER RELATIONSHIP MANAGEMENT IN SHELL PETROL BUNK WITH SPECIAL REFERENCE TO (PADI) CHENNAI”. Annals of the Romanian Society for Cell Biology 25 (6):14337-45. http://www.annalsofrscb.ro/index.php/journal/article/view/8315.