1 | | Active training : a handbook of techniques, designs, case examples, and tips / Mel Silberman ; assisted by Carol Auerbach . - 3rd ed. - San Francisco, CA : Pfeiffer, 2006. - xviii, 348 p. : ill. ; 25 cm Thông tin xếp giá: : G109K08: 100010177-100010178, G109K08: 100010302-100010305 |