“COMPARISON OF Pt-Sn γ-Al2O3, Pt-Pb γ-Al2O3 AND Pt γ-Al2O3 CATALYSTS IN DEHYDROCYCLIZATION OF N-HEPTANE AT ATMOSPHERIC PRESSURE”. ASEAN Engineering Journal, vol. 3, no. 2, Aug. 2012, pp. 37-45, https://doi.org/10.11113/aej.v3.15409.