Marcel Danesi
Simeon Ugboaja
K. Jaspaert
Birgit Brock-Utne
Adrian Kelly
Susan J. Hoben
Georgetown University Round Table on Languages and Linguistics. (2013 Washington, D.C.)
Dennis Malone
Donna Brinton
Thomas Babington Macaulay
Magda Soares
Péter Medgyes
Bent Gynther
UNESCO
B. S. Goel
Canadian Education Association
Yao Sua Tan
Oktay Sinanoğlu
A. L. Arefʹev