MOHD ADEEL SHAMSI; PROF. AFTAB ALAM. A CUSTOMIZED LEAN SIX SIGMA APPROACH TO REDUCE POSTPAID DATA DISCREPANCY BETWEEN IT SYSTEMS AND TELECOM SWITCH. Researchers World - International Refereed Social Sciences Journal, [S. l.], v. 8, n. 4, p. 190–201, 2021. Disponível em: https://researchersworld.com/index.php/rworld/article/view/380. Acesso em: 22 dec. 2024.