Sintesis sinamaldehida berbasis reaksi kondensasi aldol silang antara benzaldehida dan asetaldehida menggunakan katalis heterogen = Synthesis of cinnamaldehyde based on cross aldol condensation reaction of benzaldehyde and acetaldehyde over heterogeneous catalysts (Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013)