20/01/2018 12:32:00 20/01/2018 12:32:00 Ghani Rozaqi

5 Ghani Rozaqi 20/01/2018 12:32:00 time of concentration time of concentration

time of concentration

Apa itu time of concentration?

time of concentration adalah waktu konsentrasi

sumber: Glosarium – Pusat Bahasa Departmen Pendidikan Nasional Republik Indonesia