1. ធនធានសំខាន់ 01 មិនា 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. ធនធានសំខាន់ 01 វិច្ឆិកា 1981 This volume is designed to be of interest to those working in the spices industry, from cultivation to marketing.