Pages 1-19
G. Georgescu
Pages 21-37
Darline Laure Keubeng Yemene; Luc Diekouam; Daniel Akume; Celestin Lele
Pages 55-70
Muhammad Farooq; Asghar Khan; Raees Khan; Muhammad Izhar
Pages 71-82
S. Mirvakili; H. Naraghi
Pages 95-106
Afagh Rezazadeh; Akefe Radfar