Babyak, LiudmylaMatsyak, Olexandra2019-06-202019-06-202018-01-202018-01-20Babyak L. Professor Vasyl Shevchuk – 90th anniversary / Liudmyla Babyak, Olexandra Matsyak // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 3. — P. 419–420.https://ena.lpnu.ua/handle/ntb/45181419-420enProfessor Vasyl Shevchuk – 90th anniversaryArticle© Національний університет „Львівська політехніка“, 2018©Babyak L., Matsyak O., 20182Babyak L. Professor Vasyl Shevchuk – 90th anniversary / Liudmyla Babyak, Olexandra Matsyak // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 3. — P. 419–420.