Avesh Patil, Salim Shamsher, Dr. Analjyoti Basu, Sunil Patil 2025. Quality Tools, their excellence and their application From the perspective of quality professionals. European Economic Letters (EEL). 15, 2 (May 2025), 2179–2195. DOI:https://doi.org/10.52783/eel.v15i2.3046.