found: Naga Singkawang, 1988:t.p. (Singkawang) p. 1 (loc. in Kalimantan Barat)
found: BGN tel. call, 11/20/89(Singkawang, ppl, 0°54ʹN, 109°00ʹE)
found: Dampak dan masalah-masalah dalam penyelenggaraan pemerintahan daerah otonom baru, 2012:p. 16 (Kota Singkawang; was a capital and district of Kabupaten Sambas; in 1981 was reclassified as an administrative city; in 1999 was an administrative city under Kabupaten Bengkayang; reclassified as a city on Oct. 17, 2001 based on Undang-Undang nomor 12 tahun 2001)
found: GEOnet, viewed Aug. 11, 2020(Kota Singkawang [approved]; ADM2 in Kalimantan Barat, Indonesia; 00° 53ʹ 00ʺ N, 109° 01ʹ 00ʺ E)
