National Environmental Engineering Research Institute የተከፈቱ ሥራዎች

ሙያዎን ወደ ቀጣይ ደረጃ ለመውሰድ ዝግጁ ነዎት? በNational Environmental Engineering Research Institute እነዚህን የተከፈቱ ሚናዎች ይመልከቱ።