H. Onggo

The application of kapok fibre as sound absorption material in real auditorium

J. Sarwono, A. Emil, W. S. Subowo, 2008 .

Effect of oil palm empty fruit bunch fiber on the physical and mechanical properties of fiber glass reinforced polyester resin.

H. Onggo, M. Karina, Myrtha Karina, 2008 .