The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.

Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.

Fullscreen Fullscreen Off


  • There are currently no refbacks.

Copyright (c) 2019 Joseph Médard Kabeya Kabenkama, Minouche Bukumba, Orly Kazadi, Frederic Tshibasu, Angele Mbongo Tanzia, Antoine Molua Aundu, Jean Mukaya Tshibola, Luc Mokassa Bakumobatane, Michel Lelo Tshikwela, Jean-Marie Mbuyi Muamba

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Copyright © SCHOLINK INC.   ISSN 2474-4972 (Print)    ISSN 2474-4980 (Online)