1. Tài Nguyên Chính 01-03-1982 This major two volume book provides an authoritative and thoroughly comprehensive account of all aspects of the spice industry. Vol. 2 contains chapters on ginger, turmeric, cardamon, vanilla, and coriander. These books are well illustrated.
  2. Tài Nguyên Chính 01-11-1981 This volume is designed to be of interest to those working in the spices industry, from cultivation to marketing.