| NO. | NAMA DOSEN | JUDUL | TAHUN | KETERANGAN |
| 1 | Hariningsih, Sumpena, Heribertus Sukarjo | The effectifity of used-oil as quenching medium of 42CrMo4 steel for automotive materials (Manuscript No. 11-102-2-15-20200608) | 2020 | Jurnal : Applied Reasearch and Smart Technology (ARSTech) 1(1) |
| 2 | Sumpena, Wardoyo | Analisa Kuat Arus Listrik dan Waktu Electroplating Nickel-Chrome terhadap Kekerasan dan Ketebalan Lapisan Permukaan Baja Karbon Rendah | 2020 | Jurnal Engine: Energi, Manufaktur, dan Material 4(2) |
| 3 | Budiman Widodo, Sumpeno. | PENGELOLAAN SAMPAH UNTUK MENUJU KEMANDIRIAN TERHADAP LINGKUNGAN YANG RAMAH LINGKUNGAN | 2020 | Jurnal AUTINDO Politeknik Indonusa Surakarta 6(2) |
| 4 | Syamsul Ma’arif, Wardoyo | Potential of Electric Energy from Waste in Kaliurang Tourism Area, Sleman, Special Region of Yogyakarta | 2020 | Conserve: Journal of Energy and Environmental Studies 4(1) |
