Analysis of information sources in references of the Wikipedia article "Ter" in Indonesian language version.
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"Tar: Definition". Miriam Webster. Diakses tanggal 14 March 2013. "a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (such as wood, coal, or peat)".
"tar and pitch" (Edisi 6th). The Columbia Electronic Encyclopedia. Diakses tanggal 14 March 2013. "tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. "{{cite book}}:
"Tar: Definition". Miriam Webster. Diakses tanggal 14 March 2013. "a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (such as wood, coal, or peat)".
"tar and pitch" (Edisi 6th). The Columbia Electronic Encyclopedia. Diakses tanggal 14 March 2013. "tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. "{{cite book}}:
"Tar: Definition". Miriam Webster. Diakses tanggal 14 March 2013. "a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (such as wood, coal, or peat)".
"tar and pitch" (Edisi 6th). The Columbia Electronic Encyclopedia. Diakses tanggal 14 March 2013. "tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. "{{cite web}}: {{cite web}}: