Bulgarian Humic Substances Society

President: Prof. Dr. Е. Filcheva
ISSAPP “N. POUSHKAROV”,
7, Shousse Bankya Str., 1080 Sofia, Bulgaria;
Tel: ++359 888 72 38 18;
е-mail: filcheva@itp.bg; efilcheva@abv.bg

Techn. Secretary: prof. dr. V. Krasteva
е-mail: vnkrasteva@abv.bg