Be&gg,heru eko septian,prof. dr. ir. hapzi ali, mm, cma,studi kasus pelanggaran etika bisnis di pt tirta fresindo jaya , universitas mercu buana, 2017
Be&gg,heru eko septian,prof. dr. ir. hapzi ali, mm, cma,studi kasus pelanggaran etika bisnis di pt tirta fresindo jaya , universitas mercu buana, 2017
Be gg, heru eko septian, prof. dr. ir. hapzi ali, mm, cma, ethical decision making employer responsibilitis and employee rights, universitas mercu buana, 2017