GELBAL, S. 1991. Problem çözme. Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education , vol.6, no.6 , 167-173.

GELBAL, S., (1991). Problem çözme. Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education , vol.6, no.6, 167-173.

GELBAL, SELAHATTİN. "Problem çözme," Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education , vol.6, no.6, 167-173, 1991

GELBAL, SELAHATTİN. "Problem çözme." Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education , vol.6, no.6, pp.167-173, 1991

GELBAL, S. (1991) . "Problem çözme." Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education , vol.6, no.6, pp.167-173.

@article{article, author={SELAHATTİN GELBAL}, title={Problem çözme}, journal={Hacettepe Universitesi Egitim Fakultesi Dergisi-Hacettepe University Journal Of Education}, year=1991, pages={167-173} }