1. 01 មិថុនា 1984 Prepared under contract for U.S. Agency for International Development, Wash. DC 98 pages, tables. Notebook format
  2. 01 មករា 2007 The report examines the viability and commercial sustainability of the panela industry in Colombia and makes a comparative review of the panela industry in Brazil and Guatemala, where panela is a major local production item. It assess the impact of panela production on producer incomes and...