Page 927 - Proceedings Collega2023
P. 927
Watson, Ann Y, Valberg, P. A. (2001). Carbon Black and Soot: Two Different
Substances. AIHAJ - American Industrial Hygiene Association, 62(2), 218–228.
doi:10.1080/15298660108984625
William Marsden. (1811). The History of Sumatra. London: W.Marsden
Winkler, J. (1925). Die Toba-Batak auf Sumatra in gesunden und kranken Ta- gen. Stuttgart: Belser.
W. Faigle, (1997). Printing inks. Components of Printing inks.
Retrieved April 14, 2014. http://www.hdm-stuttgart.de/projekte/printing-inks.
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