1 | | Exercises in helping skills : A manual to accompany the skilled helper / Gerard Egan ; Richard F. McGourty cộng tác . - 8th ed. - Belmont, CA : Thomson Brooks/Cole, 2007. - 208 tr. ; 28 cm Mã xếp giá: 650.1 E28Đăng ký cá biệt: Lầu 2 KLF: 2000008584 |