Хайлтын үр дүнгүүд - Patton, Bruce

The mainstream of algebra and trigonometry / -н Goodman, Arthur

Бусад зохиолчид: “…Patton, Bruce M.…”

Getting to yes : Negotiating agreement without giving in / -н Fisher, Roger

Бусад зохиолчид: “…Patton, Bruce…”