Articles

• Modeling and Prediction of COVID-19 with a Large Scale Social Distancing

  Yudi Ari Adi, Meksianis Z. Ndii

  1-9

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• Syarat Perlu dan Cukup Eksistensi Solusi Permainan Dinamis Dua Orang Berjumlah Nol dengan Ketidakpastian

  Muhammad Wakhid Musthofa

  11-17

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• Karakteristik Subsemiring Fuzzy

  Saman Abdurrahman

  19-23

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• Pembentukan Portofolio Optimal dengan Menggunakan Mean Absolute Deviation dan Conditional Mean Variance

  Eka Nur Vanti, Epha Diana Supandi

  25-34

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• Development of a Guide to Preparation of Mathematics Questions Based on Higher Order Thinking Skills and Strengthening Character Education for Middle School Teachers

  Ibrahim Ibrahim, Iwan Kuswidi, Nurul Arfinanti

  35-42

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