ስለ ጊዜ በዶ/ር ጌትነት ፈለቀ እየቀረበ ያለ ትምህርት ለመከታተል የሚከተለውን አገናኝ ይጠቀሙ | Ethiopian Space Science Society

A nonprofit, civil society organization that promotes and advances astronomy, space science, and space technologies in Ethiopia through space awareness activities, educational programs, and a nationwi...