On 23 April President Bako Sahakyan attended a presentation on the conversion of lignite and polymer residues to hydrocarbons in Artsakh held by the National Polytechnic University of Armenia, Central Information Department of the Office of Artsakh Republic President stated.
Bako Sahakyan attended a presentation organized by the National Polytechnic University of Armenia
STEPANAKERT, APRIL 23, ARTSAKHPRESS: National Assembly chairman Ashot Ghoulyan, minister of state Grigory Martirosyan and other officials were present at the event.