All India Seminar on Operational Research and Decision Making Dept. of Operational Research, University of Delhi, & Aggarwal, S. (1984). Operational research in managerial systems. Academic Publications.

All India Seminar on Operational Research and Decision Making Dept. of Operational Research, University of Delhi, and S.P Aggarwal. Operational Research in Managerial Systems. New Delhi: Academic Publications, 1984.

All India Seminar on Operational Research and Decision Making Dept. of Operational Research, University of Delhi, and S.P Aggarwal. Operational Research in Managerial Systems. Academic Publications, 1984.