ArchiveVolume 8, Issue 2, March 2020
Thomas Fako, Mohammed Ayalew
Pages: 15-19     Published Online: May 28, 2020
DOI: 10.11648/j.ajcem.20200802.12        Views 225      Downloads 83
Mostafa Attia Eldegwi, Waleed Abdou Ibrahim, Ibrahim Shehata Elmadbouh, Ahmed Abdullah Mostafa, Abdullah Mostafa Kamal
Pages: 20-25     Published Online: May 28, 2020
DOI: 10.11648/j.ajcem.20200802.13        Views 214      Downloads 69
Zhou Ru, Wang Maofei, Shahabbas Enwer, Yuan Jianming, Wu Weize
Pages: 26-30     Published Online: May 29, 2020
DOI: 10.11648/j.ajcem.20200802.14        Views 225      Downloads 168
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