E. Cahyono, Y. Soeharyadi, and M. Mukhsar, “A SMOOTH DIFFUSION RATE MODEL OF WOOD DRYING:A SIMULATION TOWARD MORE EFFICIENT PROCESS IN INDUSTRY”, Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri, vol. 10, no. 1, pp. 1-10, Jul. 2008.