Chemistry : certificate model answers /

Ижил төстэй зүйлс

• General Certificate of Education : O level chemistry with answers to numerical problems/
  -н: 3891 University of London
• Chemistry : model answers /
  -н: 360409 Perkins, E. J.
  Хэвлэсэн: (1979)
• General Certificate of Education : a level and special papers chemistry with answers to numerical problems/
  -н: 3891 University of London
  Хэвлэсэн: (Lond)
• Certificate chemistry
  -н: 277647 Atkinson, Arthur
  Хэвлэсэн: (1971)
• General Certificate of Education : advanced level and special papers: chemistry with answers to numerical and other problems/
  -н: 3891 University of London