• 021 475 9164
  • perg_dipo@perguruandiponegoro.sch.id
  • Jl. Sunan Giri No. 5 Rawamangun Jakarta Timur 13220
  • Sven Bender

    Sven Bender

    CEO at UberCars

    A sound-field system makes it easier for the students to hear the teacher’s voice. Research has found that sound-field systems may improve literacy development in all children.