Usages of buku harian
Saya menulis rencana belajar di buku harian.
I write the study plan in the diary.
Buku harian itu saya bawa ke kantor.
I bring that diary to the office.
Buku harian saya ada di atas meja.
My diary is on the table.
Elon.io is an online learning platform
We have an entire course teaching Indonesian grammar and vocabulary.