Developing Critical Skills of Management Students in Operational Research’s Course Triman Juniarso 1 , Ninik Mutianingsih 2 , Bisma Arianto 3* , Lydia Lia Prayitno 4 {bismaarianto@gmail.com 3 } FKIP, Universitas PGRI Adi Buana Surabaya, Indonesian 1,2,4 , Fakultas Ekonomi, Universitas PGRI Adi Buana Surabaya, Indonesian 3 Abstract. Student critical thinking can be developed through a learning process, application of problem-based learning. This study to describe the critical thinking skills of third management’s students in research operational course. Students asked to intervene in a great variety of problem situations often characterized by high degrees of complexity and diversity Problem based learning able to develop critical thinking skills. This model able to teach students to use many concepts, principles, and skills to solve operational research problems. Data collection by researcher interacting directly with the research subject. The analysis used Facione (2006) describes critical thinking as a way for a person to regulate himself in judging something to produce interpretation, analysis, evaluation, inference, and presentation using evidence, concepts, methodologies, criteria, or contextual considerations that are used as the basis for doing decision-making. The results show that through learning based on operational research able to develop students' critical thinking skills, especially in terms of identifying, analyzing, solving problems, thinking logically, and drawing conclusions that are appropriate to the problem. This suggests that use problems that involve critical thinking of students in the learning process. The capacity of the HOTS is closely related to thinking processes while solving mathematics problems. Keywords: critical thinking, students, management, operational research, ability 1. Introduction Enhancement of human resources quality is one component to keep up industrial development 4.0. In this case, University an important role to make it happen through the Tri Darma of University, which focuses on preparing graduates to enter the world of the profession[1]. Universities must equip each student with critical thinking skills. Enhancement students' critical thinking skills can be developed through an active student learning process. In order to compete nationally and internationally in the globalization era, there are some skills that must be required by the learners as a human resource[2] including: a. thinking skills that include critical thinking, problem-solving, creativity, and metacognition; b. communication and collaboration skills, able to communicate and collaborate effectively; c. creativity and innovation skills, able to develop creativity to generate innovative breakthroughs; d. information and communications technology literacy, able to utilize information and communication technologies to improve the performance and activities of daily life; ICBLP 2019, February 13-14, Sidoarjo, Indonesia Copyright © 2019 EAI DOI 10.4108/eai.13-2-2019.2286189