Issue №34

• 10.34907/JPQAI.2021.71.31.001;
• 10.34907/JPQAI.2021.45.57.002;
• 10.34907/JPQAI.2021.51.17.003;
• 10.34907/JPQAI.2021.94.10.004;
• 10.34907/JPQAI.2021.62.85.005;
• 10.34907/JPQAI.2021.25.24.006;
• 10.34907/JPQAI.2021.66.67.007