column
2022, 40(1): 11-20.
DOI: 10.11913/PSJ.2095-0837.2022.10011
2022, 40(1): 39-46.
DOI: 10.11913/PSJ.2095-0837.2022.10039
2022, 40(1): 74-83.
DOI: 10.11913/PSJ.2095-0837.2022.10074
2022, 40(1): 115-123.
DOI: 10.11913/PSJ.2095-0837.2022.10115
2022, 40(1): 124-132.
DOI: 10.11913/PSJ.2095-0837.2022.10124