(1) Elderly people in the Songpinong village. (2) The elderly people age over 60 years old. (3) - the Elderly people have experience in the use of herbal medicines.The elderly is agree to cooperate (4) Ability to read and speak the Thai language
(1) Elderly people in the Songpinong village. (2) The elderly people age over 60 years old. (3) - the Elderly people have experience in the use of herbal medicines.The elderly is agree to cooperate(4) Ability to read and speak the Thai language