2_T_4A_2010 Amza Apostolescu Calin
4_T_4A_2010 Zecheru Lata Chetan
6_T_4A_2010 Zecheru Draghici Dinita
Formerly: Petroleum-Gas University of Ploiesti Bulletin, Technical Series, ISSN (print) 2734 – 5319, ISSN-L 2734 – 5319, ISSN (online) 2972 – 0370