Promovendus Djaka Kusmartata has graduated with honors. Dr. Djaka Kusmartata successfully defended his research and presented it on Wednesday, July 11, 2025. Dr. Djaka Kusmartata is the 966th doctorate in the Doctoral Program in Economics at Trisakti University and the 197th doctorate in the Development Economics Concentration (Islamic Economics and Finance (IEF)) at Trisakti University. His research is entitled “Integration of the Tawhidi String Relationship with the Gravity Model of Trade in the Analysis of Export Determinants: Production Capacity Optimization Strategy and Its Impact on Indonesian Economic Growth (2014-2023).” This research is very interesting and rarely researched. Hopefully, the results of this defended research can contribute to the nation, state, and religion. Once again, congratulations and success to Dr. Djaka Kusmartata.