BARLAS, Y. And Alexander, M. 1997. Two approaches to qualitative modelling of a nation's drugs trade. SYSTEM DYNAMICS REVIEW , vol.13, no.3 , 205-222.

BARLAS, Y., & Alexander, M., (1997). Two approaches to qualitative modelling of a nation's drugs trade. SYSTEM DYNAMICS REVIEW , vol.13, no.3, 205-222.

BARLAS, YAMAN, And MDW Alexander. "Two approaches to qualitative modelling of a nation's drugs trade," SYSTEM DYNAMICS REVIEW , vol.13, no.3, 205-222, 1997

BARLAS, YAMAN And Alexander, MDW. "Two approaches to qualitative modelling of a nation's drugs trade." SYSTEM DYNAMICS REVIEW , vol.13, no.3, pp.205-222, 1997

BARLAS, Y. And Alexander, M. (1997) . "Two approaches to qualitative modelling of a nation's drugs trade." SYSTEM DYNAMICS REVIEW , vol.13, no.3, pp.205-222.

@article{article, author={YAMAN BARLAS And author={MDW Alexander}, title={Two approaches to qualitative modelling of a nation's drugs trade}, journal={SYSTEM DYNAMICS REVIEW}, year=1997, pages={205-222} }