TY - BOOK AU - Roleff, Tamara L TI - What encourages gang behavior? SN - 9780737708110 SN - 200104074 U1 - 364.1066019 ROL PY - 2002/// CY - Detroit PB - Greenhaven Press KW - Gang members - Psychology KW - Gangs N1 - Includes bibliographical references (p. 85-88) and index ER -