na INLIS000000000002894 20250115105535 250115 0 0010-0121001260 33 33 GOU t Gourou, Pierre The tropical world : its social and economic conditions and its future status London : Longman, 1965 xi, 196 ; ill ; 22 cm ECONOMICS-TROPICS EKONOMI TROPICAL WORLD TROPIK. 1585/PSEKP/2025