Eka Septiana, Septiana and Nurlaksana eko, Nurlaksana eko and Caswita, Caswita and Alben Ambarita, Alben (2019) The Development of Student Worksheet Based on Pictorial RiddleModel to Improve Critical Thinking Ability in Elementary School. Journal of Education and Practice, 10 (23). pp. 1-5. ISSN ISSN 2222-1735 (Paper) ISSN 2222-288X (Online)