Nayank, Ragilia and Alben Ambarita, Alben and Nurlaksana eko, Nurlaksana eko (2018) Development of Problem Based Learning Model Learner Worksheet To Improve Critical Thinking Ability. IOSR Journal of Research & Method in Education (IOSR-JRME), 8 (1). pp. 65-72. ISSN e-ISSN: 2320–7388,p-ISSN: 2320–737X

Nayank, Ragilia and Alben Ambarita, Alben and Nurlaksana eko, Nurlaksana eko (2018) Development of Problem Based Learning Model Learner Worksheet To Improve Critical Thinking Ability. IOSR Journal of Research & Method in Education (IOSR-JRME), 8 (1). pp. 65-72. ISSN e-ISSN: 2320–7388, p- ISSN: 2320-737x

Nayank, Ragilia and Alben Ambarita, Alben and Nurlaksana eko, Nurlaksana eko (2016) Development of Problem Based Learning Model Learner Worksheet To Improve Critical Thinking Ability. IOSR Journal of Research & Method in Education (IOSR-JRME).