. 2018 Dec 19;3(4):126. doi: 10.3390/tropicalmed3040126
© 2018 by the author.
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 3.
Value of Vouchers Provided by Month, 2017.