| Affiliation: | 1. San Diego State University, 6475 Alvarado Road, Suite 206, San Diego, CA 92120, USA;2. Texas State University, Department of Mathematics, Texas State University, 601 University Drive, San Marcos, TX 78666, USA;3. Florida State University, 1114 W. Call St., G123 Stone Bldg., Tallahassee, FL 32306-4459, USA;1. Malmö University, Malmo, Sweden;2. University of North Carolina at Charlotte, Unitied states;1. Rutgers The State University of New Jersey, New Brunswick, NJ 08901 USA;2. Maher Associates, LLP, USA;3. Syracuse University, USA;1. University of Stavanger, Stavanger, Norway;2. Norwegian University of Science and Technology, Norwegian Centre for Mathematics Education, Trondheim, Norway |
