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Local wisdom-based science e-module to improve cultural literacy and critical thinking skills of elementary school students Wahyudi, Achmad Basari Eko; Salimi, Moh.; Hidayah, Ratna; Surya, Anesa; Suhartono, Suhartono; Wahyono, Wahyono
Journal of Environment and Sustainability Education Vol. 3 No. 3 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i3.91

Abstract

The low critical thinking skills and cultural literacy of elementary school students, along with the absence of teaching materials that integrate local wisdom into science and social studies (IPAS) learning, present challenges that need to be addressed. This study aims to develop a local wisdom-based IPAS e-module to enhance students’ critical thinking skills and cultural literacy. The research employed the ADDIE development model, encompassing the stages of analysis, design, development, implementation, and evaluation, with feasibility tests conducted by material, media, and instructional experts. Practicality tests were carried out through one-to-one trials, small group trials, and field trials, while effectiveness tests applied a quasi-experimental design with control and experimental classes analyzed using pretest–posttest data and N-gain calculations. The results indicated that the e-module was rated “highly feasible” by all validators, with “highly practical” ratings from teachers and students. Effectiveness tests showed an improvement in critical thinking skills with an N-gain of 0.70 (high category) and an improvement in cultural literacy with an N-gain of 0.44 (medium category) in the experimental class, while the control class remained in the low category. This study concludes that the local wisdom-based IPAS e-module is effective as a learning resource for improving critical thinking skills and cultural literacy, while also serving as a medium for preserving regional culture in elementary schools.
IMPLIKASI HUKUM BISNIS TERHADAP PERDAGANGAN DIGITAL: ANALISIS REGULASI E-COMMERCE DI INDONESIA PASCA PENERAPAN UU ITE DAN PP NO 80 TAHUN 2019 Wahyono, Wahyono; Guntari, Titiek
IBLAM LAW REVIEW Vol. 5 No. 1 (2025): IBLAM LAW REVIEW
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM IBLAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52249/ilr.v5i1.632

Abstract

Perdagangan digital di Indonesia telah berkembang pesat seiring dengan kemajuan teknologi dan penggunaan internet yang semakin luas. Regulasi seperti UU ITE dan PP No 80 Tahun 2019 memainkan peran penting dalam menciptakan ekosistem e-commerce yang aman dan transparan. Penelitian ini bertujuan untuk menganalisis dampak regulasi tersebut terhadap praktik bisnis e-commerce di Indonesia. Metode yang digunakan adalah pendekatan yuridis normatif dengan studi kepustakaan, menganalisis peraturan perundang-undangan, putusan pengadilan, dan literatur yang relevan. Hasil penelitian menunjukkan bahwa UU ITE dan PP No 80 Tahun 2019 memberikan dasar hukum yang kuat untuk transaksi digital dan perlindungan data pribadi. Meskipun regulasi ini memberikan kepastian hukum dan meningkatkan transparansi bagi konsumen serta pelaku usaha, tantangan dalam implementasi dan pengawasan masih ada, terutama terkait dengan penyalahgunaan data pribadi dan penipuan dalam transaksi online. Oleh karena itu, pembaruan kebijakan yang lebih fleksibel dan penguatan pengawasan diperlukan agar regulasi ini dapat mengikuti perkembangan teknologi dan dinamika pasar digital yang pesat.
Pertanggungjawaban Direksi dalam UU No. 40 Tahun 2007 tentang Perseroan Terbatas: Studi Kasus Korporasi Multinasional Wahyono, Wahyono; Cahyo, Cahyo
IBLAM LAW REVIEW Vol. 5 No. 2 (2025): IBLAM LAW REVIEW
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM IBLAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52249/ilr.v5i2.634

Abstract

Penelitian ini bertujuan untuk menganalisis pertanggungjawaban direksi dalam UU No. 40 Tahun 2007 tentang Perseroan Terbatas, khususnya dalam konteks korporasi multinasional. Penelitian ini juga bertujuan untuk menilai tantangan yang dihadapi dalam penerapan UU ini di Indonesia, terutama dalam pengelolaan perusahaan yang beroperasi lintas yurisdiksi. Metode penelitian yang digunakan adalah penelitian hukum normatif dengan pendekatan undang-undang, konseptual, dan kasus. Penelitian ini menganalisis sumber hukum primer, sekunder, dan tersier yang relevan serta menerapkan analisis kualitatif dengan pendekatan penafsiran sistematis dan komparatif. Temuan utama dari penelitian ini adalah bahwa UU No. 40 Tahun 2007 memberikan dasar hukum yang jelas terkait tanggung jawab direksi, namun tantangan besar muncul dalam penerapan hukum terhadap korporasi multinasional yang melibatkan regulasi internasional yang kompleks. Penerapan prinsip business judgment rule memberikan perlindungan bagi direksi, namun risiko hukum tetap ada, terutama terkait dengan penyalahgunaan wewenang. Penelitian ini menyimpulkan bahwa untuk meningkatkan perlindungan hukum dan efektivitas implementasi UU ini, diperlukan penguatan sistem pengawasan, audit internal yang ketat, serta reformasi sistem peradilan Indonesia. Selain itu, Indonesia perlu memperkuat kerjasama internasional untuk menangani tantangan hukum korporasi multinasional.
Local wisdom-based science e-module to improve cultural literacy and critical thinking skills of elementary school students Wahyudi, Achmad Basari Eko; Salimi, Moh.; Hidayah, Ratna; Surya, Anesa; Suhartono, Suhartono; Wahyono, Wahyono
Journal of Environment and Sustainability Education Vol. 3 No. 3 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i3.91

Abstract

The low critical thinking skills and cultural literacy of elementary school students, along with the absence of teaching materials that integrate local wisdom into science and social studies (IPAS) learning, present challenges that need to be addressed. This study aims to develop a local wisdom-based IPAS e-module to enhance students’ critical thinking skills and cultural literacy. The research employed the ADDIE development model, encompassing the stages of analysis, design, development, implementation, and evaluation, with feasibility tests conducted by material, media, and instructional experts. Practicality tests were carried out through one-to-one trials, small group trials, and field trials, while effectiveness tests applied a quasi-experimental design with control and experimental classes analyzed using pretest–posttest data and N-gain calculations. The results indicated that the e-module was rated “highly feasible” by all validators, with “highly practical” ratings from teachers and students. Effectiveness tests showed an improvement in critical thinking skills with an N-gain of 0.70 (high category) and an improvement in cultural literacy with an N-gain of 0.44 (medium category) in the experimental class, while the control class remained in the low category. This study concludes that the local wisdom-based IPAS e-module is effective as a learning resource for improving critical thinking skills and cultural literacy, while also serving as a medium for preserving regional culture in elementary schools.
Solar Cell Performance Test against Load Variations Sumarno, F Gatot; Wahyono, Wahyono; Mei Hermawan, Baktiyar; Hamim Su”™udy, Ahmad; Fatowil Aulia, Nur; Khoiroh, Ikhwatinah; Surindra, Mochammad Denny
Eksergi Vol. 18 No. 2 (2022): MAY 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (384.172 KB) | DOI: 10.32497/eksergi.v18i2.3570

Abstract

Solar cell is a converter of light energy into electrical energy. This study aims to examine the characteristics of the solar cell to load variations. The research was conducted at the Semarang State Polytechnic Energy Conversion Lab. The solar cell used in the research of the monocrystalline solar cell type KTENG CP-520S. The research method is carried out by measuring the value of solar intensity, voltage and electric current from the solar cell, then calculating the value of the power and efficiency of the solar cell. The greater the intensity of sunlight, the better the characteristics of the solar cell with a note that the solar cell surface temperature must be stable at 250C. The results showed that the highest input power of the solar cell was 5293.69 watts at a lamp load of 115 watts at 833.6 W/m2 of radiation during sunny weather. The highest value of the output power of the solar cell is 191.52 watts when the lamp is loaded with 190 watts of radiation at 739.4 W/m2 during sunny weather. While the highest value of the load output power is 212.43 watts when the lamp is loaded with 200 watts of radiation at 724.4 W/m2 when the weather is sunny. The highest efficiency of the solar cell is 4.13% when the lamp is loaded with 200 watts of radiation at 724.4 W/m2 when the weather is sunny. And the highest value of Solar Power Plant efficiency is 4.61% at a 200 watt lamp loading at 724.4 W/m2 radiation when the weather is sunny.
Reverse Time During Current Relay Performance to Support the Protection System Practicum Wahyono, Wahyono; sumarno, F. Gatot; W, wiwik Purwati; margana, margana; suwarti, Suwarti; N., Ajie Pribadi
Eksergi Vol. 18 No. 2 (2022): MAY 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1124.259 KB) | DOI: 10.32497/eksergi.v18i2.3572

Abstract

””Overcurrent Relay is one of the protection system tools in the electricity network. Overcurrent Relay works based on the increase in fault current that exceeds a certain safety value and a certain period of time. The type of relay that will be used in this test is the IDMT NX203A Overcurrent Relay. The purpose of this test is to get a good practicum module and to prove the inverted time relay characteristic curve according to British Standard BS142. In the test, the tool to be assembled is tested for its work function so that in data collection errors can be avoided while the relay on the module will be given a current setting of 2A; 3A; and 4A with TMS0.05; 0.5; and 1.0 which will be connected to a digital timer so that if the fault current exceeds the setting current, the relay will automatically give a signal and the digital timer will show the time when the current is cut off. The final result is a practicum module where each tool functions under normal working conditions and a graph of time against relay current for setting current 2A, fastest time 0.498s at 9A fault current and 0.05 TMS, longest time 12.991s at 4A TM fault current. . 1.0. Current setting of 3A for the fastest time is 0.572s at fault current of 9A and TM 0.05, for the longest time is 35.854s at fault current of 4A and TM 1.0. Current setting of 4A for the fastest time is 0.708s at fault current of 9A and TM 0.05, for the longest time is 55.979s at fault current of 5A and TM 1.0.
Dual Axis Solar Tracker System Application Based on Arduino Atmega 2560 and Internet of Things (iot) for Submersible Pump Operation Wahyono, Wahyono; Suwarti, Suwarti; H, Yusuf Dewantoro; Citraningtyas, Dita Putri; Ardiansyah, Muhammad Ridho; Cahyani, Regita Fitri; Prihartini, Retno; Pangestu, Wisnu
Eksergi Vol. 18 No. 3 (2022): SEPTEMBER 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v18i3.3910

Abstract

Most of the Solar Power Plants (PLTS) still use a static system which is considered less effective in absorbing solar energy. This is due to the earth's rotation which causes the sun to not always be in the same position. In order to optimize the absorption of solar energy so that the power produced is stable and maximum, a tracking system is applied to the solar panels. This tool works by using 4 LDR sensors and 2 DC Power Window motors as the driving force and the presence of Wi-Fi as a communication medium between the Arduino ATmega 2560 and the Android application so that the performance of the solar tracker can be monitored via a smartphone in real time. The purpose of this research is to optimize the efficiency of solar panels. The method used in this research is Research and Development (R&D). The test was carried out with the Dual Axis Solar Tracker system against a load in the form of a submersible pump. The test results show the average efficiency of the Dual Axis Solar Tracker system is 20.89% with an average power output of 84.81%.
Statistical Process Control And Analytical Hierarchy Process Methods For Reducing Earth Resistance Wahyono, Wahyono; Aulia, Nur Fatowil; Hermawan, Baktiyar Mei
Eksergi Vol. 19 No. 2 (2023): MAY 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v19i2.4477

Abstract

Security or protection systems at generators, substations, transmission, and housing and others, especially to overcome lightning disturbances and leakage currents, the earthing system must meet the required standards. For each part of the system, from transmission, substation and residential electricity utilization as well as other parts, the standard of earth resistance is not the same, for example for housing a maximum of 5 Ω, for a small generator system a maximum of 10 Ω, for a large generator a maximum of 20 Ω and so on etc. In areas where the soil type resistance is high, it is necessary to reduce the value of the earth resistance so that it reaches the Indonesian national standard. There are many ways to reduce the value of earth resistance, including lowering soil resistivity, adding electrodes to the soil, changing the type of electrode and its diameter, and so on. The aim of the research was to determine the effect of the value of earthing resistance on the depth of electrode planting and the type of soil that is affected by the water content in the soil and to apply simple statistical tools, namely Statistical Process Control (SPC) and Anlytical Hierarchy Process (AHP).The measurement method in this research uses a three-point system, namely one point for the test electrode and two points for the auxiliary electrode and the measuring instrument used to measure earth resistance is a digital earth resistance tester type digital model 4105A. This tool is designed according to international electrical commission (IEC) standards. To analyze reducing earth resistance using Statistical Process Control (SPC) and Analytical Hierarchy Process (AHP) methods. The design of this research is to answer the problems and research objectives that have been planned, namely to determine the effect of soil type on earth resistance and to analyze efforts to reduce the value of earth resistance to achieve standards with statistical process control (SPC) and analytical hierarchy process (AHP) methods. To find potential causes, it is done by calculating the analytical hierarchy process (AHP) in order to obtain a sequence of problems to be solved. If the consistency ratio value is more than 10%, then the data judgment must be corrected, but if the consistency ratio is less than or equal to 10% then the calculation results are declared correct or accepted. From the results of the AHP calculation, it is then verified by testing the earth resistance.
Study of solar power plants as an aerator driver based on the Internet of Things (IoT) Margana, Margana; Wahyono, Wahyono; Hermawan, Baktiyar Mei; W, Wiwik Purwati; Suwarti, Suwarti; Aulia, Nur Fatowil; Solikhin, Akhmad Riadzus
Eksergi Vol. 19 No. 2 (2023): MAY 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v19i2.4479

Abstract

The use of solar power plants is now developing, for example aerator drives with the Internet of Things. The purpose of designing aerators with the Internet of Things is to utilize programming instructions that each command can generate interaction with fellow devices and connect automatically without user intervention, even remotely. This research method begins with the study of literature, manufacture, installation of components, as an analysis carried out testing and data collection. The results of the tests conducted on day 5 include, the best solar radiation intensity power of 886.786 W/m2, the power produced by solar cells of 473.099 W and aerator power of 75.843 W, solar panel efficiency of 14.749%. and PLTS system efficiency of 4.275%. In this test, it was found that the addition of aeration can increase oxygen concentration and pH value of water.                                                                Keywords- Aerator, PLTS, Performance      
Analysis Of Solar Power Plants With A Capacity Of 100 Wp With Automatic Transfer Switch In The Energy Conversion Laboratory Of Semarang State Polytechnic Suwarti, Suwarti; Aulia, Nur Fatowil; Wahyono, Wahyono; Prasetyo, Budhi; Hendrawati, Dwiana; Hermawan, Baktiyar Mei
Eksergi Vol. 20 No. 02 (2024): MAY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i02.5807

Abstract

Solar energy is one of the renewable energy sourcesby utilizing the sun as its energy source. The planning of thePLTS uses an on-grid system, the system is still connected tothe PLN network. The system is used as a backup forelectricity flow. The system will work automatically when thePLN electricity flow is cut off by utilizing the AutomaticTransfer Switch (ATS) control system. The PLTS was tested bymeasuring the voltage, current, and input and output powerfor 5 days from 09.00-15.00 WIB with data collection every 60minutes. Then calculations were made to determine theefficiency of the PLTS. Calculations were also made of theenergy produced by the panels needed and produced by thelights ideally and actually. The results of the DC voltage andDC current tests on average at a load of 70 Watts produced bythe solar panel were 12.7 V and 2.41 A with a data collectionperiod of 7 hours, producing energy of 214.3 Wh andproducing the highest efficiency of 7.9% and the lowest 4.84%.
Co-Authors Achmad Basari Eko Wahyudi Achmad Fudholi Aditya Novera Rachmawati, Aditya Novera Ahmad Bahrudin Ahmad Hamim Su’udy Aisah, Iin Nur Aisah, Iin Nur Amin Yusuf Aminuyati An Nizhami, Avicenna Anang Hartono, Anang Andani, Kiki Andani, Kiki Andhi Wijayanto Andi Dharmawan Andrie Irawan Anesa Surya Angga Pandu Wijaya, Angga Pandu Anggraeni, RR Dewi Anis Roihatin Anton Agus Setyawan Argaradian, Ahan Argaradian, Ahan Arianto, Yoga Ian Ariesa Prihartanti, Ariesa Arifiani, Dian Aris, M Abdul Arvitriani, Erlita Atikah, Laela Aulia, Nur Fatowil Bachtiar Bachtiar Bambang Santoso Baskara, Baskara Bayu Wiratama, Bayu Bono Bono Brilliyan, Yoga Rizky Budhi Prasetiyo Budhi Prasetyo Budi Bayu Murti Cahyani, Regita Fitri Cahyo, Cahyo Chrisputranto, Matheus Raditya Chumbradika , Chitto Cintya Damayanti, Cintya Citraningtyas, Dita Putri Desi Elvira Cindy Puspita, Desi Elvira Cindy Dharma, Faisal Divi Galih Prasetyo Putri Djoko Widodo Dwiana Hendrawati Edi Eskak EKO BUDIYANTO Eko Nugroho Eko Supriyanto Elizah, Elizah Endang Sutrasmawati Erawati, Ayu Eskasari Putri F Gatot Sumarno, F Gatot F. Gatot Sumarno, F. Gatot Fajari, Laksmi Evasufi Widi Falilah, Falilah Fatowil Aulia, Nur Fitri Handayani Galuh Pratiwi*, Wanda Nova Gatot Suwoto Guntari, Titiek H, Yusuf Dewantoro Hadi Sutopo Hamim Su”™udy, Ahmad Hardani Widhiastuti Hartono, Kundi Hartono, Kundi Hendra Tanu Atmadja Hermawan, Baktiyar Mei Hidayat, Alfian Fatkhur Hidayat, Dayat Saeful Hidayati, Larantika I Made Sukanadi Ika Maratus Sholekhah, Ika Maratus Ika Wahyu Wijayanti, Ika Wahyu Indah Purwantini Jati Waskito Khoiroh, Ikhwatinah Kurniawati, Rizki Laga, Anastasya Laksono, Eko Budi Lestari, Dwi Putri Lestari, Mulianda Listriyani, Listriyani Lukman Awaludin Luthfia Hanifah Kurniati, Luthfia Hanifah Made Virma Permana Margana Margana Marliyati Marliyati, Marliyati MEI HERMAWAN, BAKTIYAR Merakati, Indah Merakati, Indah Mochammad Denny Surindra Moh Salimi Mugiono Mugiono, Mugiono Muhammad Tahir Mukhzarudfa, Mukhzarudfa Mulyono Mulyono Mustofa Mustofa N., Ajie Pribadi Nanang Apriandi Nanda Bella Fidanty Shahnaz, Nanda Bella Fidanty Nathan, Oskar Niken Safitri Nirwana Hendrastuty NOVA MEI MARLIYA, NOVA MEI Noviana, Astrid Novianto, Andrian Nur Nurjanah, Ulfa Nurnaningsih, Siti Oktarina, Rury Rosadi Oktaviani, Winda Padang Yanuar Pamardi, S Pangestu, Wisnu Prahasti, Shella Pramesti, Olivia Pramitha Esha Nirmala Dewi, Pramitha Esha Nirmala Pratiwi, Shinta Prihandono, Dorojatun Prihartini, Retno Purnama, Aditya Putra Putera, Adhitya Kelana Putera, Adhitya Kelana Putra, Jimmy Trio Rachman, Rony Karunia Rachman, Rony Karunia Rahmania, Maulida Afiya Ratih Kusumastuti Ratna Asmah Susidarti Ratna Hidayah Raya, Loisa Diana Rizqiyana, Ina Rossi, Roberto Rusdarti - S Martono Saputra, Yuris Mulya Sari, Dwi Rahmita Sari, Nia Kurnia Sari, Reny Eka Shabrina Shabrina, Shabrina Sipayung, Mardin Siswi, Ati Arifiah Siti Aminah Slamet Priyoatmojo, Slamet Soewita, Samuel Soleha, Euis Solikhin, Akhmad Riadzus Sucihatiningsih Dian Wisika Prajanti Suhartono Sulis Dri Handono Supriyo Supriyo Susanto Susanto Sutanto, Bayu Suwaldi . Suwarti Suwarti Suyanto Suyanto Suyatmin Suyatmin, Suyatmin Syabrinildi, Syabrinildi Syahleman, Rukmini T. Nanda Saifullah Sulaiman, T. Nanda Saifullah T.N. Saifullah Sulaiman, T.N. Saifullah Timotius Anggit Kristiawan TN Saifullah Sulaiman, TN Saifullah Tutut Paradhiba Sujadi, Tutut Paradhiba W, wiwik Purwati Warsono Warsono Wijaya, Tommy Tanu Wiwik Purwati Widyaningsih Yanuarius Seran Fahik, Yanuarius Seran Yusuf Dewantoro Herlambang Yuzaili, Nasral Zakiyah, Nuratun Zulfanizy, Kresno