Action research are as follows: 1) a conversation using the household interview at wild food plants are consumed in the household sample selection method using the chain (Snowball Selection)
The research are: 1) the conversation by interviewing households that were food crops for household consumption to wild Randomization means of a chain (Snowball Selection).
Operations research are as follows: 1) dialogue by interview with the plant foods มาบริ household household consumption for sampling using a chain. (Snowball Selection).