A, Alkasim,, Modibbo Adama University of Technology,
A. Boateng, Bernard., University of Ghana, Accra Ghana
A. Cobblah, Millicent., University of Ghana Legon, Ghana
A. Ewusie, Ebenezer.
A. H. , Mohammed, , Department Of Chemistry Education, School Of Science Education. Federal College Of Education (Tech), P.M.B 60, Gombe
A.A, Solovyev
A.A, Solovyov, Izhevsk State Medical Academy
A.B., Dikko,, Modibbo Adama University of Technology
A.B., Dikko,, Modibbo Adama University of Technology,
A.D., Ahmed,, Modibbo Adama University of Technology,
A.I, Altsybeeva
A.N, Eboatu,, Nnamdi Azikiwe University
A.N, Lubnin
A.V, Lednev
A.V, Lozhkin
A.V, Trubachev
A.V., Trubachev
AANU, OYEWOBI,, BOWEN UNIVERSITY
Abaskuliyeva, Ulviyya B
Abba Ahmed, Hafizullah., China University of Geosciences,
Abdel MAgeed, Dr Heidi, National Research Center
Abdel wakeel, Sameh
Abdel-Aziz, Shadia M.
Abdel-Jaber, G.T. , South Valley University
Abdel-Satar, Amaal M.

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