Gandhi, Madhup Kantilal, Dr. Chetan Chaudhari, and Rucha Vanarase. 2022. “Importance of Product Certification (API Specification 6D) and QMS Certification for Valve Manufacturing Industry on Its Business Performance”. Journal of Applied Management- Jidnyasa 14 (2):24-43. https://simsjam.net/index.php/Jidnyasa/article/view/172812.