. 2020 Jul 3;17(13):4792. doi: 10.3390/ijerph17134792
© 2020 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 1.
The Slacks-Based Measures (SBM) dynamic model.