Francisco A. Espartero, "New Systems and Designs in the Construction of Professional and Amateur Astronomical Observatories (ProAm)". International Journal of Innovation Engineering and Science Research, Volume 3, Issue 4, Pp. 01 – 12. 2019.
Marwah K. Farhan, Muayad S. Croock, "Routing Techniques Study for D2D in Manet Based Environment: A Survey and Open Issues". International Journal of Innovation Engineering and Science Research, Volume 3, Issue 4, pp. 13 – 23. 2019.
ARPAN, Muhammad Muttaqin, "PORTAL ACADEMIC PORTAL INNOVATION BASED ON WEBSITE IN THE ERA OF DIGITAL 4.0 TECHNOLOGY NOW". International Journal of Innovation Engineering and Science Research, Volume 3, Issue 4, pp. 24 – 28. 2019.
Rahmat Sembiring, Annisa Ilmi Faried, "Analysis of Regional Expenditure in Education, Health and Infrastructure Sector on Human Development Index and Labor Productivity in Medan City". International Journal of Innovation Engineering and Science Research, Volume 3, Issue 4, pp. 29 – 34. 2019.