by Tsai, Ying-Wei, D. Gemmill, Douglas
Published in European journal of operational research (16.11.1998)

by Lee, Hyoung-Ro, Gemmill, Douglas D.
Published in European journal of operational research (16.06.2001)

by Gemmill, Douglas D., Edwards, Michelle L.
Published in Project management journal (01.09.1999)

by Tandiono, Elly, Gemmill, Douglas D.
Published in European journal of operational research (08.09.1994)

by Gemmill, Douglas D., Sanders, Jerry L.
Published in European journal of operational research (25.01.1990)

by Gemmill, Douglas D.
Published in Mathematical and computer modelling (1992)