Katalog na nepravitelstvenite organizat͡s︡ii za opazvane na okolnata sreda v Bŭlgarii͡a︡ =: Catalogue of environmental non-governmental organizations in Bulgaria (Bulgarian Edition)
by Zhulieta Penchovska
details (USA).
ISBN: 978-954-8075-09-1
ISBN-10: 954-8075-09-1
Spisanie "ANTENI" · 1993