Bahasa Indonesia (id) | Ganti Bahasa (Change Language)
  1. 01 Januari 1988 Kengo Wood Energy Series 30 pages, illustrated
  2. 01 Januari 1974 Choosing fuelwoods, improving woodlands, modern stoves, wood furnaces, using old stoves, and many more hows & whys. Includes basic technical illustrations by the author. 128 pages, illustrated