Riadi, Lieke and Purwanto, Edy and Kurniawan, Hendrik and Oktaviana, Ria (2014) Effect of Bio-based catalyst in Biodiesel synthesis. Procedia Chemistry, 9. pp. 172-181.
Kurniawan, Hendrik (2001) Pengaruh Stres Kerja Terhadap Kinerja Pada karyawan Produksi PT. Surabaya Multi Plastik Di Gresik. [Undergraduate thesis]