2019, 36 (4): 1-8. DOI: 10.11988/ckyyb.20181267
2019, 36 (4): 9-12,38. DOI: 10.11988/ckyyb.20171143
2019, 36 (4): 13-18. DOI: 10.11988/ckyyb.20181028
2019, 36 (4): 19-26. DOI: 10.11988/ckyyb.20170624
2019, 36 (4): 27-31. DOI: 10.11988/ckyyb.20170878
2019, 36 (4): 32-38. DOI: 10.11988/ckyyb.20180867
2019, 36 (4): 39-42. DOI: 10.11988/ckyyb.20171163
2019, 36 (4): 43-48. DOI: 10.11988/ckyyb.20170988
2019, 36 (4): 49-54. DOI: 10.11988/ckyyb.20171069
2019, 36 (4): 55-59,76. DOI: 10.11988/ckyyb.20170944
2019, 36 (4): 60-66. DOI: 10.11988/ckyyb.20171116
2019, 36 (4): 67-70,76. DOI: 10.11988/ckyyb.20170949
2019, 36 (4): 71-76. DOI: 10.11988/ckyyb.20171050
2019, 36 (4): 77-81. DOI: 10.11988/ckyyb.20171226
2019, 36 (4): 82-87,92. DOI: 10.11988/ckyyb.20170914
2019, 36 (4): 88-92. DOI: 10.11988/ckyyb.20180281
2019, 36 (4): 93-97. DOI: 10.11988/ckyyb.20170850
2019, 36 (4): 98-103. DOI: 10.11988/ckyyb.20170904
2019, 36 (4): 104-108,117. DOI: 10.11988/ckyyb.20171138
2019, 36 (4): 109-112. DOI: 10.11988/ckyyb.20171115
2019, 36 (4): 113-117. DOI: 10.11988/ckyyb.20170616
2019, 36 (4): 118-122,139. DOI: 10.11988/ckyyb.20170997
2019, 36 (4): 123-128. DOI: 10.11988/ckyyb.20171206
2019, 36 (4): 129-134. DOI: 10.11988/ckyyb.20180907
2019, 36 (4): 135-139. DOI: 10.11988/ckyyb.20180910
2019, 36 (4): 140-144,150. DOI: 10.11988/ckyyb.20180925
2019, 36 (4): 145-150. DOI: 10.11988/ckyyb.20180917