“IN SITU TRANSESTERIFICATION OF JATROPHA SEEDS: EFFECT OF REACTANT TYPE, STIRRING SPEED AND REACTION TEMPERATURE ON YIELD AND QUALITY OF BIODIESEL”. Jurnal Teknologi Industri Pertanian, vol. 21, no. 1, Nov. 2011, https://journal.ipb.ac.id/jurnaltin/article/view/3664.