00391nam a22001217a 4500 20261109090246.0 261109b |||||||| |||| 00| 0 eng d 978-0-375-708-21-9 David K.shipler The working poor Invisible in America Shipler R.D English Kaduna state university 39271802 HC 65 SHI lcc Hadiza Mohammed 9/11/2026 2591 2591