How to Prove It - Daniel J Velleman
type: Product
sku: 11035827
gtin: 9781108439534
brand: Daniel J. Velleman
category: Mathematics
offers: Offer
  price: 397.57
  price currency: RON
  availability: https://schema.org/InStock
  condition: https://schema.org/NewCondition
  seller: libris.ro
  price valid until: 2026-08-23
  valid from: 2026-08-07T12:18:55.560Z