TY - BOOK ED - Ellis & Associates. TI - National pool and waterpark lifeguard training SN - 0763707937 (sc) AV - GV838.72 N38 1999 U1 - 797.2/1/0289 21 PY - 1999/// CY - Boston PB - Jones and Bartlett Publishers KW - Salvavidas KW - Entrenamiento de KW - Manuales, etc KW - Lifeguards KW - Training of KW - Handbooks, manuals, etc N1 - Incluye índice ER -