| No. | Title | Produced/Published on | Year of Publication |
| 1. | Model of Empathic Communication for Final Year Students Suffering Anxiety from Final Assignment During Covid-19 Pandemic | Proceedings of the 2nd International Conference on Law, Social Sciences and Education, ICLSSE | 2020 |
| 2. | HKI: Statistical Analysis Training Handout for Evaluation of Learning Activities Using Microsoft Excel | Certificate from the Ministry of Law and Human Rights | 2020 |
| 3. | HKI: Statistical Analysis Training Handout Using PopTools Microsoft Excel | Certificate from the Ministry of Law and Human Rights | 2020 |
| 4. | Application of the TMCM Clustering Method (Two-Step Method for Clustering Mixed Categorical and Numeric Data) to Predict Academic Performance (Case Study: Students of the Mathematics, Mathematics and Computer Science Education Study Program FMIPA UNJ | Proceedings of Science and Mathematics International conference (SMIC) | 2018 |
| 5. | Application of the TMCM Clustering Method (Two-Step Method for Clustering Mixed Categorical and Numeric Data) to Predict Academic Performance (Case Study: Students of the Mathematics, Mathematics and Computer Science Education Study Program FMIPA UNJ | Proceedings of the National Mathematics Seminar V UNJ | 2016 |
| 6. | Price of Sugar Modeling and Forecasting Based on STIMA Model and GSTIMA Model | Proceedings of the 2nd ICRIEMS/ISBN 978-979-968808-8/UNY | 2015 |
