Shishko, L.S., and I.E. Chernenko. 2011. “EARNING LGEBRA N -9TH ORMS ITH SING F ROGRAM ETHOD ‘LIBRARY F LECTRONIC OBVIOUSNESS’”. ournal of nformation echnologies in ducation (ITE), no. 10 (November):140-47. https://doi.org/10.14308/ite000278.