Nikolovski, P., S. Vezenkoska, I. Zdravkoski, M. Blazhekovich, M. Kimovska, and V. Nolcheska. “Internal Audit of Permanent Objects”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 3, Oct. 2017, pp. 214-23, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7723.