2040s 2030s 2020s 20202021202220232024 2010s 2010201120122013201420152016201720182019 2000s 2000200120022003200420052006200720082009 1990s 1996199719981999 Feb. Vol. 27 No. 1. 1~155 Apr. Vol. 27 No. 2. 157~293 Jun. Vol. 27 No. 3. 295~460 Aug. Vol. 27 No. 4. 461~696 Oct. Vol. 27 No. 5. 671~852 Dec. Vol. 27 No. 6. 879~1022