اﻟﻤﻠﺘﻘﻰ اﻟﺪوﻟﻲ اﻷول ﻟﻔﻴﺰﻳﺎء ﻣﺮﻛﺒﺎت أﺷﺒﺎه اﻟﻨﺎﻗﻞ و اﻟﻄﺎﻗﺎت اﻟﻤﺘﺠﺪدة و اﻟﺒﻴﺌﺔThe first International Conference on Physics of Semiconductor Devices, Renewable Energies and Environment