Vysotska, Victoria     Information technology of processing information resources in electronic content commerce systems [Текст] / Victoria Vysotska, Lyubomyr Chyrun, Liliya Chyrun // Computer Science and Information Technologies CSIT'2016 : proc. of the XI-th Intern. Scientific and Techn. Conf., 6-10 Sept. 2016, Lviv, Ukraine / Min. of Education and Science of Ukraine, Lviv Polytechn. Nat. Univ. — Lviv : Lviv Polytechnic Publ. House, 2016. — P. 212-222.