Ghicajanu , Mihaela. 2006. Записки Горного института 167 (2), 322-26. https://pmi.spmi.ru/pmi/article/view/8038.

Ghicajanu , Mihaela. 2006. "Principal Transformations in Managerial Control Consequences Privatisation Energy System of Distribution and Supply Electricity Power of Romanian". Journal of Mining Institute 167 (2), 322-26. https://pmi.spmi.ru/pmi/article/view/8038.