You can find paper copies at several online educational retailers and marketplaces. Note that some older editions might be out of stock or replaced by New Ukrainian School (NUS/НУШ) versions.
: Offers the workbook as part of their educational materials inventory. f.ia.bozhinova o.o.kiriukhina laboratornye raboty 8 klass
: The official publisher; newer editions often include QR codes for digital supplements. Digital & Educational Resources You can find paper copies at several online