Introduction to Operations Research Frederick S., Lieberman, Gera

Introduction to Operations Res - VERY GOOD

Introduction to Operations Research (2014 10th edition)

Introduction to Operations Research, Hillier, Frederick

Introduction to Operations Research by Hillier

An Introduction to Astronomy Seventh (7th) Edition

The Baseball Encyclopedia (Seventh -7th- Edition) - Hardcover - VERY GOOD

Botany An Introduction to Plant Biology Seventh 7th Edition by James Mauseth