1. Roger Muremyi, Ntaganda Jean Marie, july 2014, HOpf Bufircation of a Mathematical Model of Blood pressures in Human Cardiovascular Respiratory Systems, International Journal of Scientific and Innovative Mathematical Research (IJSIMR) Volume 2, Issue 7, July 2014, PP 656-667, ISSN 2347-307X (Print) & ISSN 2347-3142 (Online), www.arcjournals.org.
2. Roger Muremyi, December 2014, Lightlike Parallel Vector fields and Einstein’s Equations of gravity : a partial solution, Direct Research Journal of Engineering and information Technology Vol.3(1), pp,1-6 February 2015, available online Directresearchpublisher.org/drjet ISSN 2354-4155 @ 2015 Direct Research Journals Publisher, Nigeria.
3. Roger Muremyi, (2018). Empirical Analysis of the Determinants of Interest Rate in Rwanda published in the International Journal of Scientific and Innovative Mathematical Research (IJSIMR) Volume 6, Issue 8, 2018, PP 8-25 ISSN No. (Print) 2347-307X & ISSN No. (Online) 2347-3142 DOI : http://dx.doi.org/10.20431/2347-3142.0608002n www.arcjournals.org
4. Roger Muremyi, (2018). Econometric Analysis of the Effect of Investment and External Aid on Economic Growth in Rwanda Period : 2000-2015 published in International Journal of Scientific and Innovative Mathematical Research (IJSIMR) Volume 6, Issue 7, 2018, PP 43-62 ISSN No. (Print) 2347-37X & ISSN No. (Online) 2347-3142 DOI : http://dx.doi.org/10.20431/2347-3142.0607004 www.arcjournals.org
5. Roger Muremyi, (2016). Dynamical-System-Multi-Delays-Mathematical-Models, LAP LAMBERT Academic Publishing (May 12, 2016), ISBN-10 : 9783659887055,ISBN13 : 978-3659887055, ASIN : 3659887056