Bojidarka Ivanova

By Bojidarka Ivanova, Tsonko Kolev

Edited By Maya Ivanova, Stanislav Ivanov, Vincent P. Magnini

Edited By Milka Ivanova, Dorina-Maria Buda, Elisa Burrai

Edited By Milena Ivanova, Alice Murphy

Edited By Milena Ivanova, Steven French

By Polina Ivanova

Edited By Maja Gori, Maria Ivanova

By James Bailey, Tatyana Ivanova

Edited By Maria Ivanova-Gongne, Lasse Torkkeli, Nikolina Koporcic, Wilhelm Barner-Rаsmussen

Edited By Ekaterina Ivanova, Isabel Rimanoczy

By Diana Ivanova Stephanova, Bozhidar Dimitrov Kolev

By Galina Mikhailovna Ivanova, Donald J. Raleigh, Galina Mikhailovna, Carol A. Flath