@article{ref1,
title="Cost per unit of service",
journal="Evaluation and program planning",
year="1987",
author="Zelman, William N.",
volume="10",
number="3",
pages="201-207",
abstract="This article discusses various aspects of using cost per unit of service for decision-making purposes. A major emphasis in the article is upon problems in using cost per unit including: definitional problems, operational problems, and data collection problems. Finally, discussion focuses on interpreting &quot;cost per unit&quot; information.<p />",
language="",
issn="0149-7189",
doi="10.1016/0149-7189(87)90030-9",
url="http://dx.doi.org/10.1016/0149-7189(87)90030-9"
}