Hamada Abdelrahman, PhD
Associate Professor of Soil Chemistry and Fertility
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza 12613 Egypt
Soil Science Dept., Faculty of Agriculture, Cairo University, Giza 12613 Egypt
First Circular (EN): http://www.agrosym.rs.ba/agrosym_download/agrosym_jahorina/First_Announcement_2017.pdf
First Circular (AR): http://www.agrosym.rs.ba/agrosym_download/agrosym_jahorina/First_Announcement_2017_AR.pdf