Analysis of information sources in references of the Wikipedia article "Yogyakarta railway station" in English language version.
Sementara Stasiun Tugu di Yogyakarta memperdengarkan "Sepasang Mata Bola"." (...) kata Nugroho (Wahyu Utomo). [While the Tugu Station in Yogyakarta played "Sepasang Mata Bola". (...) said Nugroho (Wahyu Utomo).
Selanjutnya, pekerjaan modifikasi sinyal elektrik Yogyakarta – Lempuyangan... [Furthermore, the Yogyakarta – Lempuyangan electrical signal modification work...]