1. Team work Publication: [Vellore, India : Audio Visual Unit, C.M.C. Hospital, 19--] Subject(s): Cooperative BehaviorEquidae
2. Solidaridad, una mano amiga Publication: [Venezuela] : SAS OPL-SIDA ; Washington, D.C. : Oficina Sanitaria Panamericana, [1994] Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlCooperative Behavior
