Hayrapetyan S.A.
Goris State University
Goris, Republic of Armenia
![Hayrapetyan S.A. Hayrapetyan S.A.](/authors/no.jpg)
Hayrapetyan S.A. --- Cand. Sc. (Chem.), Assoc. Professor, Department of Chemistry and Biology, Goris State University (Avangarda ul. 2, Goris, 3205 Republic of Armenia).
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