Tác giả: Howard Sanchez

The departure of longtime President Zine el Abidine Ben Ali in January 2011, in the face of massive anti-government protests, was greeted with euphoria within Tunisia and sparked opposition and refor …

Atrazine, a non-persistent pesticide, belongs to a triazine herbicide group of pesticides and is derived from the s-triazine structure – a six member heterocyclic with symmetrically located nitrogen …