Author: Wei-Jhen, Chen
Company: Taiwan Math/Science Circle (TWMC)
Country: Taiwan
e-mail: eddie@wiipa.org.tw
web: https://www.wiipa.org.tw/
Authors: Balan Mihail, Ţislinscaia Natalia, Vișanu Vitali, Melenciuc Mihail, Popescu Victor, Țurcanu Dinu, Gîdei Igor
Company: Technical University of Moldova
Country: Moldova