ArchiveVolume 9, Issue 3, May 2020
Fatou Dia, Oumar Absatou Niasse, Bassirou Ba, Cheikh Sene
Pages: 41-47     Published Online: Jul. 17, 2020
DOI: 10.11648/j.ajmp.20200903.11        Views 133      Downloads 53
Andrei Nechayev
Pages: 48-54     Published Online: Jul. 28, 2020
DOI: 10.11648/j.ajmp.20200903.12        Views 112      Downloads 67
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