Phillips, Charles F., author
Competition in the synthetic rubber industry
University of North Carolina , 1963
 Buku Teks
Knorr, K.E., author
World rubber and its regulation
Stanford University Press, 1945
 Buku Teks
Bauer, P.T., author
The rubber industry: a study in competition and monopoly
Harvard University Press, 1948
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History of the rubber industry: compiled under the auspices of the institution of the rubber industry
editors, P. Schidrowthz, T.R. Dawson
W. Heffer and Sons, 1952
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Alfian Y. Helmi
The importance of rubber: in the economic life of the population of Indonesia / Alfian Y. Helmi
Tintamas, 1954
 Buku Teks
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