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Sudarwanto, Sudarwanto
Universitas Negeri Yogyakarta
Humanities Automotive Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Social Sciences Transportation Other

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DEVELOPING ANALOG AND DIGITAL ELECTRONIC MEDIA KITS FOR AUTOMOTIVE ENGINEERING EDUCATION STUDENTS Siswanto, Ibnu; Prasetyono, Agus Puji; Sudarwanto, Sudarwanto; Purwanto, Purwanto; Rudiyanto, Atha Fawwaz
Jurnal Pendidikan Teknik Mesin Vol. 24 No. 02 (2024): December 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/btnq6g69

Abstract

Instructional media has an important function for facilitating academia to achieve the learning objectives. Therefore, this study aims to develop an instructional media of the analog and digital electronics for automotive engineering education students. This study used a research and development method which consisting of 4D steps (define, design, development, and dissemination). The instructional media feasibility assessment from the lecturers and students was obtained using a questionaire. The lectures and students, after assessing the media kits, both were suggested that it has a good lay out, appropriate with the learning outcomes, and feasible for benefitting university learners in analog and digital electronics course especially in practice courses. The implementation of this analog and digital electronic media improves the students achievement in the basic analog and digital automotive electronics courses
SISTEM INFORMASI MANAJEMEN PEMBELAJARAN PADA PEMBELAJARAN PRAKTIKUM LABORATORIUM DI JURUSAN PENDIDIKAN TEKNIK OTOMOTIF Purwanto, Purwanto; sudarwanto, Sudarwanto; Sukaswanto, Sukaswanto
Jurnal Pendidikan Vokasi Otomotif Vol. 5 No. 1 (2022): (November)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpvo.v5i1.57772

Abstract

The author reviews the importance of using management information systems in implementing and achieving efficient and effective learning. The role of technology is currently seen as helping systematic work. Technology can function to realize learning in a laboratory that is independent and better. Technology in the form of a learning management information system is expected to help students learn independently. The management information system is a means of monitoring laboratories' use, especially in the Department of Automotive Engineering Education. The conclusions obtained include: (1) the management information system is seen as helping educational institutions as a means of learning practicum in an independent laboratory, (2) supporting the management of laboratory facilities, (3) recording and distributing information appropriately, and (4) as a means of supporting operations another technical. In practice, SIM laboratory learning can be constrained by: (1) human resource competence and (2) an adequate level of technology. Finally, technological developments continue to pressure all parties to constantly adapt to overcome obstacles in the effective and efficient use of facilities, especially in the Ministry of Education Automotive Engineering.
KEPATUHAN WAJIB PAJAK ORANG PRIBADI DALAM MEMBAYAR PAJAK (STUDI PADA WAJIB PAJAK ORANG PRIBADI DI SEMARANG) Sudarwanto, Sudarwanto; Khanifah, Khanifah
Jurnal Analisis Bisnis Ekonomi Vol 9 No 2 (2011)
Publisher : Universitas Muhammadiyah Magelang

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Abstract

Penelitian ini adalah ditujukan untuk menguji secara empiris pengaruh pemahaman pajak, system perpajakan (sunset policy), dan asas manfaat yang diperoleh terhadap kepatuhan wajib pajak. Populasi dalam penelitian ini adalah wajib pajak orang pribadi yang melakukan pembayaran pajak di kantor pelayanan pajak Candisari Semarang, pengusaha yang sedang berkonsultasi di perusahaan konsultan usaha kecil dan menengah dan sebagian warga kecamatan Gajah Mungkur, kota Semarang, yang berjumlah 50 orang dan semua populasi dalam penelitian ini menjadi sampel, jadi penelitian ini bisa dikatakan cukup heterogen. Dalam penelitian ini analisis yang digunakan untuk menganalisa data adalah analisis regresi linier berganda.Hipotesis yang menyatakan adanya pengaruh antara pemahaman tentang pengisian SPT (X1) terhadap kepatuhan wajib pajak (Y) dapat diterima. nilai t hitung X1 sebesar 2,139 dengan menggunakan taraf signifikan sebesar 5% maka diperoleh t tabel sebesar 1,6759. yang berarti bahwa nilai t hitung > nilai t tabel yang menandakan bahwa pemahaman tentang pengisian SPT (X1) mempunyai pengaruh yang signifikan terhadap kepatuhan wajib pajak (Y). Hipotesis yang menyatakan adanya pengaruh antara policy sunset (X2) terhadap kepatuhan wajib pajak (Y) dapat diterima. Hal ini juga menunjukkan bahwa policy sunset atau sistem perpajakan yang berlaku masih belum dipahami oleh wajib pajak orang pribadi. Hipotesis yang menyatakan dugaan adanya pengaruh antara asas manfaat (X3) terhadap kepatuhan wajib pajak (Y) dapat diterima. Asas manfaat yang diperoleh (X3) mempunyai pengaruh yang negatif dalam penelitian ini yaitu sebesar -2,228 terhadap kepatuhan wajib pajak orang pribadi (Y). Hasil menunjukkan bahwa selama ini wajib pajak yang membayar pajak tidak mengetahui kegunaan atau asas manfaat (kontraprestasi) dari pajak yang telah dibayarkan tersebut.
Forecasting Indonesia’s Export Revenue through a Vector Autoregressive Exogenous Approach Sudarwanto, Sudarwanto; Puteri, Syafa Marisha; Santi, Vera Maya; Alwansyah, Muhammad Arib
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 10, No 2 (2026): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v10i2.36760

Abstract

The Vector Autoregressive with Exogenous Variables (VARX) model extends the conventional VAR framework by explicitly incorporating external macroeconomic drivers, offering a more structurally informed approach to export forecasting. This study contributes to the literature by introducing a disaggregated modeling strategy that treats oil and gas exports and non-oil and gas exports as separate endogenous components, an aspect that has been largely overlooked in previous studies on Indonesia’s export performance. By positioning VARX as a system-based forecasting tool rather than a purely statistical extension, this research provides an updated methodological perspective on export revenue analysis. Using monthly data from January 2015 to December 2024, this study evaluates several VARX specifications that integrate the rupiah–US dollar exchange rate and West Texas Intermediate (WTI) crude oil prices as exogenous variables. Model selection is conducted based on a combination of information criteria and forecasting performance indicators, leading to the identification of VARX(5,6) as the most suitable specification. The inclusion of exogenous variables is shown to substantially enhance predictive accuracy, confirming the relevance of external economic shocks in shaping Indonesia’s export revenue dynamics. Empirical results indicate that WTI oil prices exert a significant causal influence on export revenue, while the exchange rate effect becomes meaningful when jointly evaluated with oil prices and endogenous export components. The selected VARX(5,6) model demonstrates strong forecasting performance, achieving a MAPE of 5.60% and an nRMSE of 6.40%. From a policy standpoint, these findings suggest that export planning and stabilization policies should explicitly account for global oil price volatility and exchange rate interactions. The proposed VARX framework can therefore serve as a practical analytical tool for policymakers to anticipate short-term export fluctuations and design responsive trade and macroeconomic strategies under external uncertainty.
Co-Authors ,, Achmad Rayhan Akbar ,, Readytya Aji Ade Firmansyah Ade Imas Rismayati Agustine, Debby Alwansyah, Muhammad Arib Anjar Sri Ciptorukmi Nugraheni ,, Anjar Sri Ciptorukmi Nugraheni Assyodiq, Rizal Christiana Okti Pratiwi ,, Christiana Okti Pratiwi Dhimas Tetuko Kusumo ,, Dhimas Tetuko Kusumo Eric Hermawan Ibnu Hadi Ibnu Hadi Ibnu Siswanto Ihda Amanati Munawwaroh ,, Ihda Amanati Munawwaroh Joko Sriyanto Karnadi Khanifah Khanifah Mahatma, Yudi Munawar Kholil, ,, Munawar Kholil, Nirmala Adhi Yoga Pambayun Nur Holisah Nurul Husna Prasetyono, Agus Puji Purwanto Purwanto Puteri, Syafa Marisha Rahman, Yoanna Rismayati, Ade Imas Rudiyanto, Atha Fawwaz Sanyoto, Bagus Sayyidi, Sabbihis Sukaswanto Sukaswanto Sukoco Sukoco Sundari, Sri Tafakur Tafakur Tambengi, Roike Teguh Santoso Vera Maya Santi Wardan Suyanto Yosep Efendi