Boian Iordanov Koulov
发表
Nadezhda Ilieva,
Mariyana Nikolova,
K. Naydenov,
2020
.
Boian Iordanov Koulov,
2010
.
G. Zhelezov,
Boian Iordanov Koulov,
2016
.
S. Nedkov,
Mariyana Nikolova,
M. Zhiyanski,
2018,
One Ecosystem.
Boian Iordanov Koulov,
1995
.
Boian Iordanov Koulov,
A. Dağlar,
Sürdürülebilirlik ve Kalkınma,
2014
.
Boian Iordanov Koulov,
Bilyana Borisova,
Radenka Mitova,
2021,
Sustainability.
S. Nedkov,
Mariyana Nikolova,
M. Zhiyanski,
2021,
Journal of the Bulgarian Geographical Society.
Aleksandra Ravnachka,
Boian Iordanov Koulov,
A. Assenov,
2017
.
P. Shapira,
K. Paskaleva,
Boian Iordanov Koulov,
1998
.
K. Vassilev,
Boian Iordanov Koulov,
A. Assenov,
2016
.
K. Vassilev,
Boian Iordanov Koulov,
A. Assenov,
2016
.