Oral Medicine. Ed. Prof. Dr. Z. Krastev, DSc, Prof. Dr. A. Kisselova-Yaneva, DSc, Assoc. Prof. Dr. R. Kolarov, PhD. Sofia: Iv. Sapundzhiev – EOOD, 2009, 480 p.

 

Oral Lesions. Ed. Prof. Z. Krastev. Sofia: Iv. Sapundzhiev – EOOD, 2011, 296 p.

 

Vl. Panov, Z. Krastev. Viral Hepatitis and HIV in Dental Practice. Sofia: Iv. Sapundzhiev – EOOD, 2011, 80 p.

 

Behavior, Algorithms and Classifications in Gastroenterology. Ed. Z. Krastev. Sofia: Iv. Sapundzhiev – EOOD, 2012, 338 p.

 

Viral infections in oral medicine, A. Krasteva, Z. Kalvachev, A. Kisselova-Yaneva, Medinform LTD, 2014, 196 p.