| 131 | Seams UGM 2015 | On Total Irregularity Strength of Star Graphs, Double-Stars and Caterpillar | Jurusan Matematika FMIPA UGM | S-1 Matematika | Dr. Diari Indriati, M.Si. |
| 132 | ICGTIS 2015 | On total irregularity strength of double-star and related graphs | FMIPA ITB | S-1 Matematika | Dr. Diari Indriati, M.Si. |
| 133 | 5th International Conference on Recent Advances in Materials, Minerals & Environment (RAMM) & 2nd International Postgraduate Conference on Materials, Mineral and Polymer (MAMIP) | (INVITED SPEAKER) Effect of Kenaf Fiber as a Reinforcement on the Tensile, Flexural and Impact Properties of Recycled Polypropylene/Halloysite Composites | School of Materials & Mineral Resources Engineering, University Sains Malaysia | S-1 Kimia | Dr.rer.nat. Maulidan Firdaus, S.Si., M.Sc. |
| 134 | 5th International Conference on Recent Advances in Materials, Minerals & Environment (RAMM) & 2nd International Postgraduate Conference on Materials, Mineral and Polymer (MAMIP) | (INVITED SPEAKER) Effect of Kenaf Fiber as a Reinforcement on the Tensile, Flexural and Impact Properties of Recycled Polypropylene/Halloysite Composites | School of Materials & Mineral Resources Engineering, University Sains Malaysia | S-1 Kimia | Dr. Desi Suci Handayani, S.Si., M.Si. |
| 135 | 10th International Joint Conference on Chemistry (JCC) | (INVITED SPEAKER) Effect of Cyclical Thermal to Mechanical Properties of Hybrid Laminate Composites (HLC) with Skin Recycle Polypropylene/natural Fiber/Halloysit and Core PP/KF Composites | Department of Chemistry, Faculty of Mathematic and Natural Sciences, Sebelas Maret University | S-1 Kimia | Dr. Desi Suci Handayani, S.Si., M.Si. |
| 136 | 10th International Joint Conference on Chemistry (JCC) | (INVITED SPEAKER) Effect of Cyclical Thermal to Mechanical Properties of Hybrid Laminate Composites (HLC) with Skin Recycle Polypropylene/natural Fiber/Halloysit and Core PP/KF Composites | Department of Chemistry, Faculty of Mathematic and Natural Sciences, Sebelas Maret University | S-1 Kimia | Dr.rer.nat. Fajar Rakhman Wibowo, S.Si,M.Si. |
| 137 | International Conference and Exhibition Sustainable Energy and Advanced Material | Effect of Single Flame Retardant Aluminium Tri-hydroxide and Boric Acid againts Inflammability and Biodegradability of Recycled PP/KF Composites | Faculty of Engineering, Sebelas Maret University dan University Teknikal Malaysia Malaka | S-1 Kimia | Dr. Desi Suci Handayani, S.Si., M.Si. |
| 138 | International Conference and Exhibition Sustainable Energy and Advanced Material | Effect of Single Flame Retardant Aluminium Tri-hydroxide and Boric Acid againts Inflammability and Biodegradability of Recycled PP/KF Composites | Faculty of Engineering, Sebelas Maret University dan University Teknikal Malaysia Malaka | S-1 Kimia | Dr.rer.nat. Maulidan Firdaus, S.Si., M.Sc. |
| 139 | International Conference and Exhibition on Sustainable Energy and Advanced Material | The crystal structure and morphology of NiO-YSZ composite that prepared from local zircon concentrate of Bangka Island | ICE-SEAM | S-1 Kimia | Prof. Dr. Fitria Rahmawati, S.Si, M.Si. |
| 140 | International Conference and Exhibition on Sustainable Energy and Advanced Material | The crystal structure and morphology of NiO-YSZ composite that prepared from local zircon concentrate of Bangka Island | ICE-SEAM | S-1 Kimia | Prof. Dr. Eddy Heraldy, M.Si |
