أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Thanks
All of them are important, and they cant be separated, simply there is no Managing without planning and there is no planning if it is not be followed by organizing, then there is no managing work without directing, and there is no directing if it is not followed by controlling and evaluation.
Regards