column
2021, 42(1): 1-8.
DOI: 10.5768/JAO202142.0101001
2021, 42(1): 9-15.
DOI: 10.5768/JAO202142.0101002
2021, 42(1): 16-22.
DOI: 10.5768/JAO202142.0101003
2021, 42(1): 30-35.
DOI: 10.5768/JAO202142.0101005
2021, 42(1): 36-42.
DOI: 10.5768/JAO202142.0101006
2021, 42(1): 57-64.
DOI: 10.5768/JAO202142.0102002
2021, 42(1): 71-78.
DOI: 10.5768/JAO202142.0102004
2021, 42(1): 86-94.
DOI: 10.5768/JAO202142.0102006
2021, 42(1): 95-103.
DOI: 10.5768/JAO202142.0103001
2021, 42(1): 104-112.
DOI: 10.5768/JAO202142.0103002
2021, 42(1): 113-118.
DOI: 10.5768/JAO202142.0103003
2021, 42(1): 119-124.
DOI: 10.5768/JAO202142.0103004
2021, 42(1): 125-130.
DOI: 10.5768/JAO202142.0103005
2021, 42(1): 131-136.
DOI: 10.5768/JAO202142.0103006
2021, 42(1): 137-142.
DOI: 10.5768/JAO202142.0103007
2021, 42(1): 149-156.
DOI: 10.5768/JAO202142.0107002
2021, 42(1): 157-175.
DOI: 10.5768/JAO202142.0107003
2021, 42(1): 176-181.
DOI: 10.5768/JAO202142.0107004
2021, 42(1): 182-187.
DOI: 10.5768/JAO202142.0105001
2021, 42(1): 188-193.
DOI: 10.5768/JAO202142.0105002
2021, 42(1): 194-199.
DOI: 10.5768/JAO202142.0108001