Publikasi data debit sungai tahunan : hidrology year book 1989
Pusat Penelitian dan Pengembangan Peraiaran. DPU
Pusat Penelitian dan Pengembangan Peraiaran. DPU, 1989
 Buku Referensi
The Civil service year book 1989
England. Cabinet Office
Her Majesty's Stationery Office, 1989
 Buku Referensi
The hospitals and health services year book 1989
editor, NW Chaplin
The Ynstitute of Health Services Management, 1989
 Buku Referensi
Sri Mulat Yuningsih, author
Kondisi kualitas data debit sungai tahun 2015-2016 di Indonesia
Kementerian Pekerjaan Umum dan Perumahan Rakyat, 2019
 Artikel Jurnal
The British year book of international law 1989 : sixtieth year of issue
Clarendon Press, 1990
 Buku Referensi
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