Grynyshyn, Oleg2019-06-202019-06-202018-01-202018-01-20Grynyshyn O. IXth International scientific-technical conference “Advance in petroleum and gas industry and petrochemistry” (APGIP-9) / Oleg Grynyshyn // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 3. — P. 423–424.https://ena.lpnu.ua/handle/ntb/45183423-424enIXth International scientific-technical conference “Advance in petroleum and gas industry and petrochemistry” (APGIP-9)Article© Національний університет „Львівська політехніка“, 2018©Grynyshyn O., 20182Grynyshyn O. IXth International scientific-technical conference “Advance in petroleum and gas industry and petrochemistry” (APGIP-9) / Oleg Grynyshyn // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 3. — P. 423–424.