An empirical investigation of the impact of the object-oriented paradigm on the maintainability of real-world mission-critical softwareSource Journal of Systems and Software Volume 77 , Issue 2 (August 2005) Pages: 131 - 138 Year of Publication:2005 ISSN:0164-1212 Authors Joa Sang Lim School of Media Technology, Sangmyung University, Seoul, South Korea Seung Ryul Jeong The Graduate School of Business IT, Kookmin University, Seoul, South Korea Stephen R. Scha