V.Das, P. (1986). Effectiveness of programmed instruction in the teaching of mathematics at secondary school level.
Chicago Edition CitationV.Das, P.R. Effectiveness of Programmed Instruction in the Teaching of Mathematics at Secondary School Level. 1986.
MLA Edition CitationV.Das, P.R. Effectiveness of Programmed Instruction in the Teaching of Mathematics at Secondary School Level. 1986.
Warning: These citations may not always be 100% accurate.