ABDULLAH AL PARVEZ; PRANAY DUTTA; MD. IMRANUL SHAHID; MD ABDULLAH AKIB. ANALYSIS OF THE IMPERFECTION INDEX (IPI) VALUE OF CARDED YARN PRODUCED BY USING DIFFERENT DIAMETER SPACERS ON THE RING FRAME SPINNING MACHINE. International Engineering Journal For Research & Development, [S. l.], v. 6, n. ICMRD21, p. 7, 2021. DOI: 10.17605/OSF.IO/YZ5K3. Disponível em: http://www.iejrd.com/index.php/iejrd/article/view/1751. Acesso em: 19 apr. 2026.