(2) the data elements of waste at the waste disposal area, Chiang Rai. Table 3.2 5.1 .. waste of physical elements in the area of the municipality of Chiang Rai.
(2) the physical composition of solid waste at a waste disposal Chiang Rai Table 5.1..3.2 physical composition of solid waste. In the district of Chiang Rai.
(2) data physical components of solid waste disposal in the area of Chiang Rai Municipality table 5.1..3.2 elements and physical In the area of environment .