Sirikasemsuk, K. ., Kiatcharoenpol, T. ., Waiyaroop, H. ., Kullawong, T. . and Treeranurat, L. . (2021) “A Study of Factors Affecting The Screw Spacing of Spoilers in Hard Disk Drives for Productivity Increase Using Multiple Regression Analysis”, Naresuan University Engineering Journal. Phitsanulok, Thailand, 16(1), pp. 167–187. doi: 10.14456/nuej.2021.15.