who can use the device,the people who knows well about the device,the students who are very clever,the children under five years.the profesional parens
who can use the device,the people who knows well about the device,the students who are very clever,the children under five years.the profesional parens
yang dapat menggunakan perangkat, orang-orang yang mengetahui dengan baik tentang perangkat, siswa yang sangat pintar, anak-anak di bawah lima years.the parens profesional