Popova, Katina Kostadinova The Complete History of the Independent Financial Audit in Bulgaria Presented in Two Newly Published Books (Ivan Roussev, Stoyan Stoyanov, Kamelia Savova-Simeonova. The Institute of Certified Public Accountants and Its Presidents (1931– 1948) ...),
Унив. изд. Еп. Константин Преславски, 2024, pp. 116-120, ISSN 1314-748X (print) ; ISSN 2683-0418 (online).