00488namka2200181 k 4500001001300000005001500013008004100028020002600069040001900095049001700114056001000131090002000141100002100161245003900182260005400221300002000275950001100295KMO20250050820250305140328250305s2024 ulka 000a kor  a9791171172870c\22000 a146043c1460430 lMEM000009430 a189.1 a189.1b윤95ㅁ1 a윤홍균 지음00a마음 지구력d윤홍균 지음 b21세기북스(북이십일 21세기북스)c2024 a329 p.c140*2100 b\22000