In some parts of the world, they are called Upesi Stoves. I'm not sure of the Khmer name for this particular stove, here in Cambodia. But, they are constructed similar to the stoves in this resource.
Basically, upesi stoves are formed from clay, then fired. Here in Cambodia, charcoal is most often used as the combustible fuel in upesi stoves. Although, wood is used on the odd occasion. - Paul
Given the media intensity given to the Covid 19 (otherwise known as Corona or Wuhan) virus, there seems no reason to have posts on that very specific subject in several forums Accordingly, all of those posts will be moved to "Headlines". All new items on that subject should be posted there as well. This notice will expire on 30 April, or be extended if needed. Thanks, folks.
How To Make An Upesi Stove 1995
How To Make An Upesi Stove, By Vivienne Abbott, Clare Heyting, And Rose Akinyi