October 22, 2019
Prof. Chen was invited to serve on the editorial board of IJAM - Int. J. of Applied Math.
Invited by Prof. Virginia Kiryakova, Ed.-in-Chief of “Intern. J. Appl. Math.” (IJAM) Journal’s website at http://www.diogenes.bg/ijam/
The EB is http://www.diogenes.bg/ijam/eb.html