Mukul Aggarwal, Neha Yadav, Kamal Kant Sharma, Om Prakash, Adesh Kumar Pandey. 2020. “SOM Surface Feature Extraction Techniques for Retrieval of Multimedia Data: Designed and Implemented Model ”. International Journal of Advanced Science and Technology 29 (3), 11797 -0. http://sersc.org/journals/index.php/IJAST/article/view/29850.