Sousanna-Maria G. Nikolaou , Monika A. Papa and Vasileios Ι. Zagkotas
Pages: 1-8
Teodora Hristova
Pages: 20-38
Elena S. Petkova
Pages: 60-68
Aneliya Galinova
Pages: 9-19
Yana Vasileva
Pages: 39-44
Svilen V. Simeonov
Pages: 69-77
NATURAL AND TECHNICAL SCIENCES SECTION
Hristina N. Panajotova, Valentina T. Dobreva, Hristina N. Strinska, Boriana Y. Zhekova1 and Georgi T. Dobrev
Pages: 45-51
Dinko H. Dinkov, Todor T. Stoyanchev, Plamena М. Тurlakova
Pages: 52-59