Yuriza, P. E., A. Adisyahputra, and D. V. Sigit. “Correlation Between Higher-Order Thinking Skills and Level of Intelligence With Scientific Literacy on Junior High School Students”. Biosfer: Jurnal Pendidikan Biologi, Vol. 11, no. 1, Apr. 2018, pp. 13-21, doi:10.21009/biosferjpb.11-1.2.