8bde403eac1f712613124fa28e89aa5f  baqberfre_a2017m10n1.pdf
81c0af9b0c0885c7a308143405cfb4b8  baqberfre_a2018m10n2.pdf
a265101dfd0770d262f2dedb4ec4682b  baqberfre_a2019-2020n3.pdf