Optimization of Cerbera manghas Biodiesel Production Using Artificial Neural Networks Integrated with Ant Colony Optimization by Silitonga, Arridina Susan, Mahlia, Teuku Meurah Indra, Shamsuddin, Abd Halim, Ong, Hwai Chyuan, Milano, Jassinnee, Kusumo, Fitranto, Sebayang, Abdi Hanra, Dharma, Surya, Ibrahim, Husin, Husin, Hazlina, Mofijur, M., Rahman, S.M. Ashrafur