1. Optimization Simulations using GeoGebra,2019
2. Dynamic Investigatory Graphics for Mathematics (DIGMath) Spreadsheets for Calculus, Farmingdale State College of SUNY;Gordon,2020
3. Visualizing and Understanding l’Hopital’s Rule;Gordon;International Journal of Math Education in Science & Tech,2017
4. Visualizing Techniques of Integration;Gordon;Mathematics and Computer Education,2016