Rutkowski, Ireneusz. “THE MODIFIED RANK-RESOURCE METHOD OF EVALUATING NEW PRODUCT PROJECTS IN THE PORTFOLIO MANAGEMENT PROCESS IN PRE-MARKET PHASES”. Organization and Management 193, no. 2 (December 30, 2023): 119–135. Accessed November 15, 2026. https://econjournals.sgh.waw.pl/OiK/article/view/4086.