This document provides an introduction to Knowledge Resources Management (KRM) and the concept of return on investment of knowledge (ROIK). It discusses how knowledge is often undervalued in organizations despite its importance. The value of knowledge is described using formulas that calculate benefits and costs. Strategies are presented for implementing KRM practices like knowledge mapping and portfolio management to better capture ROIK. The goal is to manage knowledge resources effectively by understanding, measuring and communicating its value and impact on organizational performance.