Farida, Lilis Nur, et al. “Development of Learning Media Boxes Paper Materials Measuring Length and Weight Units to Improve High Level Thinking”. Jurnal Teknologi Pendidikan : Jurnal Penelitian Dan Pengembangan Pembelajaran, vol. 8, no. 4, Oct. 2023, pp. 879-93, doi:10.33394/jtp.v8i4.9350.