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ArchiveVolume 4, Issue 2, April 2019
Shihab Ali Khalifa, Doha Yahia Alsadig
Pages: 26-32     Published Online: May 26, 2019
DOI: 10.11648/j.aas.20190402.11        Views 813      Downloads 124
Paiguy Armand Ngouateu Wouagfack, Ariane Laurelle Ngankou, Noël Djongyang, Réné Tchinda
Pages: 33-43     Published Online: May 26, 2019
DOI: 10.11648/j.aas.20190402.12        Views 759      Downloads 88
Abdulbasit Nasir
Pages: 51-63     Published Online: Jun. 12, 2019
DOI: 10.11648/j.aas.20190402.14        Views 760      Downloads 229
Genanew Jemberu Engida
Pages: 64-71     Published Online: Jun. 12, 2019
DOI: 10.11648/j.aas.20190402.15        Views 738      Downloads 89
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