na INLIS000000000064013 20250718015630 0010-0725000022 ta 250718 g 0 eng Tropical Products Institute : G119 the production of charcoal in a metal kiln; G120 the markets for selected herbaceous essential oils; G121 the market for culinary herbs; G122 the processing of banana products for food use / Tropical Products Institute London : Tropical Products Institute, 1979 29 cm. TROPICAL PRODUCTS INSTITUTE