TY - BOOK A1 - / Michael Armstrong TI - Armstrong's handbook of management and leadership :developing effective people skills for better leadership and management PB - کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان SN - 103033333 UR /book/103033333/Armstrongs-handbook-of-management-and-leadership/ ER -