Process modelling using Petri nets. - Katalina Grigorova (CompSysTech, 2003)

Extracurricular training in informatics in ruse. - Katalina Grigorova; Plamenka Hristova (Informatics Educ., 2010)

Object relational business process repository. - Katalina Grigorova; Ivaylo Kamenarov (CompSysTech, 2012)

Graph-Based Approach For Representing Business Process Models In Case Of Measuring Business Logic Dependencies. - Kaloyan Mironov; Katalina Grigorova (MCIS, 2017)

Conversion of business process models using workflow patterns. - Katalina Grigorova; Kaloyan Mironov (CoDIT, 2018)

A Survey on State of Software Quality Assurance in Bulgaria. - Peter Sabev 001; Katalina Grigorova (CompSysTech, 2019)