The Description of Feasibility of Mathematics Learning by Use The Cooperative Learning Model STAD Type to Students of Class VIII in SMPN 1 East Sinjai. Thesis. Mathematics Department.Mathematics and Science Faculty, State University of Makassar. (Supervised by Dr.Muh. Darwis M, M.Pd. and Drs. Muh. Dinar, M.Pd. ) - Nurhidayati, Nurhidayati (2013)