TY - GEN AU - Wijewickrema , Jayanta TI - චිම්පන්සියා අපේ ම කෙනෙක් SN - 955960953 X U1 - 599.885 PY - 2002/// CY - Nugegoda PB - Jayanta Wijewickrama KW - ANIMALS KW - CHIMPANCY KW - CHIMPANCY,S LIFE AND THEIR BEHAVIOR ER -