Shyamsundar Chaudhari, Salunke Mahesh, Nimbalker Arati, Nagre Sonali, and Prof. Gujarati T.V. 2017. “Automation Of Pad Printing Machine Using Programable Logic Controller”. International Journal of Advance Research in Engineering, Science & Technology 4 (5):519-24. https://ijarest.org/index.php/ijarest/article/view/1564.