Dr. Lyubomir Penev - Business development

Pensoft Publishers
Prof. Georgi Zlatarski Street 12
1700 Sofia, Bulgaria
Tel. +359-2-8704281
Fax: +359-2-8704282
E-mail: [email protected]

Jordan Bisserkov - Technical development

Pensoft Publishers
Prof. Georgi Zlatarski Street 12
1700 Sofia, Bulgaria
Tel. +359-2-8704281
Fax: +359-2-8704282
E-mail: [email protected]