| On the Javanese Ethnoastronomy: Time Dimension on the Calendrical Inscriptions on Majapahit Era until Now | Q4 Journal | 1 | 4 | Journal of Physics: Conference Series | 2019 | 0 |
| Mathematical model for determining of Wuku Name in Javanese culture in Indonesia | Q4 Journal | 1 | 4 | Journal of Engineering and Applied Sciences | 2017 | 3 |
| A new method to estimate parameters in the simple regression linear equation | Q4 Journal | 1 | 6 | Mathematics and Statistics | 2020 | 3 |
| The Solution for the Non linear Diophantine Equation (7<sup>k</sup> -1)<sup>x</sup> +(7<sup>k</sup>)<sup>y</sup> = z <sup>2</sup> with k as the positive even whole number | Q4 Journal | 4 | 4 | Journal of Physics: Conference Series | 2019 | 1 |
| Carrying Javanese Local Wisdom in Mathematical Model | Q4 Journal | 1 | 4 | Journal of Physics: Conference Series | 2019 | 0 |
| Solution to Non-Linear Exponential Diophantine Equation 13<sup>x</sup> + 31<sup>y</sup> = z <sup>2</sup> | Q4 Journal | 3 | 3 | Journal of Physics: Conference Series | 2019 | 0 |
| Applications of number bases in Javanese community life (Applicatons of tally system and number bases on trading, building constructions, and monetary/currency) | Q3 Journal | 2 | 3 | Applied Mathematical Sciences | 2014 | 1 |
| The zero sign on inscriptions and manuscript based on the historical supply chain management: A case study of Indonesia Archipelago before Majapahit era | Q3 Journal | 1 | 3 | International Journal of Supply Chain Management | 2019 | 2 |
| Nonlinear Diophantine equation 11<sup>x</sup> +13<sup>y</sup> = z <sup>2</sup> | Q3 Journal | 3 | 4 | IOP Conference Series: Materials Science and Engineering | 2018 | 2 |
| Determining sustainable rice farming through supply chain risk management: A case study in central Java, Indonesia | Q3 Journal | 1 | 4 | International Journal of Supply Chain Management | 2019 | 2 |
| Optimal reinsurance and investment strategy under CEV model with fractional power utility function | Q2 Journal | 5 | 5 | Engineering Letters | 2020 | 0 |
| Model of volume of transport waste and its derivative problems | no-Q Journal | 1 | 4 | Proceedings of the International Conference on Industrial Engineering and Operations Management | 2020 | 0 |
| Number sequences likes fibonacci | no-Q Journal | 1 | 4 | Proceedings of the International Conference on Industrial Engineering and Operations Management | 2020 | 0 |
| The variant of magic square in Javanese tradition | no-Q Journal | 1 | 5 | Proceedings of the International Conference on Industrial Engineering and Operations Management | 2021 | 0 |
| Analysis of incremental and component of value-at-risk in the stocks investment portfolio | no-Q Journal | 5 | 8 | International Journal of Recent Technology and Engineering | 2019 | 1 |
| Solutions to non-linear diophantine equation p<sup>x</sup>+(p+5)<sup>y</sup> = z<sup>2</sup> with p is mersenne prime | no-Q Journal | 2 | 3 | International Journal of Recent Technology and Engineering | 2019 | 0 |
| Model of rice farm insurance to reduce losses due to harvest failure | no-Q Journal | 1 | 3 | International Journal of Recent Technology and Engineering | 2019 | 2 |
| Solutions to non-linear diophantine equation (5<sup>k</sup>-1)<sup>x</sup> + (5<sup>k</sup>)<sup>y</sup> = z<sup>2</sup> with k is positive even integer | no-Q Journal | 3 | 3 | International Journal of Recent Technology and Engineering | 2019 | 0 |
| The bivariate central t distribution and its applications | no-Q Journal | 3 | 4 | Far East Journal of Mathematical Sciences | 2017 | 0 |
| Suryasengkala lamba: The Indonesia-Javanese chronogram | no-Q Journal | 1 | 3 | Global Journal of Pure and Applied Mathematics | 2016 | 0 |