EBSCOhost : 1954-.
Embargo: 1800 days delay of availability of full text articles imposed by publisher.
Informs : v.44:no.1(1998)-.
EBSCOhost : 1982-.
Embargo: 1800 days delay of availability of full text articles imposed by publisher.
Informs : v.17:no.1(1998)-.
EBSCOhost : 1956-.
Embargo: 1800 days delay of availability of full text articles imposed by publisher.
Informs : v.46:no.1(1998)-.