2015. THE EFFECT OF SURFACE HETEROGENEITY ON WETTABILITY OF POROUS THREE DIMENSIONAL (3-D) SCAFFOLDS OF POLY(3-HYDROXYBUTYRIC ACID) (PHB) AND POLY(3-HYDROXYBUTYRIC-CO-3-HYDROXYVALERIC ACID) (PHBV). Jurnal Teknologi (Sciences & Engineering). 75, 1 (Jun. 2015). DOI:https://doi.org/10.11113/jt.v75.3960.