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All Journal Sinergi Turbo : Jurnal Program Studi Teknik Mesin Jurnal Tadris Matematika International Journal of Elementary Education J-SAKTI (Jurnal Sains Komputer dan Informatika) Golden Age: Jurnal Ilmiah Tumbuh Kembang Anak Usia Dini Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika MATHEMA: JURNAL PENDIDIKAN MATEMATIKA TheJournalish: Social and Government Teknomekanik JagoMIPA: Jurnal Pendidikan Matematika dan IPA COURT REVIEW: Jurnal Penelitian Hukum J-SAKTI (Jurnal Sains Komputer dan Informatika) WISDOM: Jurnal Pendidikan Anak Usia Dini Journal of Education Research JURNAL PENDIDIKAN INDONESIA: Teori, Penelitian, dan Inovasi Prosiding Seminar Nasional Teknik Sipil UMS Prosiding University Research Colloquium FADZAT Jurnal Ekonomi Syariah Jurnal Jaringan Penelitian Pengembangan Penerapan Inovasi Pendidikan (Jarlitbang) HIKMATUNA: Journal for Integrative Islamic Studies JUMAD Journal Management, Accounting, & Digital Business Proksima Hikmatuna BATIK: Jurnal Pengembangan dan Pengabdian Masyarakat Multikultural JLAS: Journal of Law and Administrative Science Alzam : Journal Of Islamic Early Childhood Education Jurnal Tadris Matematika
Khotimah, Nur
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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PERDAGANGAN ONLINE DENGAN SISTEM PEMBAYARAN CASH ON DILEVERY (COD) ATAS PEMBATALAN SEPIHAK KONSUMEN DALAM PERSPEKTIF HUKUM PERDATA Khotimah, Nur; Astutik, Sri; Widodo, Ernu
COURT REVIEW Vol 5 No 04 (2025): ILMU HUKUM
Publisher : COMMUNITY OF RESEARCH LABORATORY (KELOMPOK KOMUNITAS LABORATORIUM PENELITIAN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69957/cr.v5i04.1986

Abstract

Perdagangan online dengan sistem pembayaran Cash on Delivery (COD) semakin berkembang pesat, memberikan kemudahan bagi konsumen untuk melakukan transaksi tanpa pembayaran di muka. Namun, pembatalan sepihak oleh konsumen dalam transaksi ini menimbulkan persoalan hukum dalam perspektif hukum perdata, khususnya terkait dengan kewajiban yang tercipta dalam perjanjian antara penjual dan pembeli. Artikel ini menganalisis dampak pembatalan sepihak oleh konsumen dalam transaksi COD berdasarkan ketentuan hukum perdata Indonesia, terutama yang tercantum dalam Kitab Undang-Undang Hukum Perdata (KUHPerdata). Pembatalan sepihak dapat dianggap sebagai pelanggaran kontrak dan menimbulkan hak bagi penjual untuk menuntut ganti rugi akibat kerugian yang timbul. Meskipun konsumen memiliki hak untuk membatalkan transaksi dalam kondisi tertentu, pembatalan yang tidak sesuai dengan perjanjian dapat merugikan penjual dan menyebabkan ketidakseimbangan dalam transaksi. Oleh karena itu, penting untuk menyusun syarat dan ketentuan yang jelas dalam setiap transaksi online, serta memastikan adanya pemahaman yang baik antara kedua belah pihak untuk menghindari konflik dan menegakkan hak serta kewajiban yang adil.
Peran Komunikasi Interpersonal Dalam Kepemimpinan Kepala Sekolah Nisa, Khoirun; Situmorang, Mela Safitri; Ardiansyah, Mulia; Khotimah, Nur; Aswaruddin, Aswaruddin
Jurnal Pendidikan Indonesia : Teori, Penelitian, dan Inovasi Vol 5, No 1 (2025): Jurnal pendidikan Indonesia: Teori, Penelitian, dan Inovasi
Publisher : Penerbit Widina, Widina Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59818/jpi.v5i1.1217

Abstract

Interpersonal communication plays a crucial role in the effectiveness of a principal's leadership. This study aims to explore how the interpersonal communication of the principal at Ar-Rahman Medan Islamic Senior Secondary School influences decision-making and leadership style. Using a qualitative approach and an in-depth literature review, the findings reveal that interpersonal communication significantly impacts the principal's leadership style by fostering openness, clarity, and empathy. This, in turn, enhances the principal's credibility and improves the performance of teachers and school staff. Furthermore, principals with strong interpersonal communication skills tend to be more effective in decision-making, conflict resolution, providing constructive feedback, and maintaining team morale within the school environment. The study's findings are expected to contribute to the development of both theoretical and practical insights into interpersonal communication within school leadership.ABSTRAKKomunikasi interpersonal memainkan peran penting dalam efektivitas kepemimpinan kepala sekolah. Penelitian ini bertujuan untuk mengeksplorasi bagaimana komunikasi interpersonal kepala sekolah di Sekolah Menengah Atas Islam Ar-Rahman Medan mempengaruhi pengambilan keputusan dan gaya kepemimpinan. Dengan menggunakan pendekatan kualitatif dan tinjauan literatur yang mendalam, temuan penelitian ini mengungkapkan bahwa komunikasi interpersonal secara signifikan mempengaruhi gaya kepemimpinan kepala sekolah dengan mendorong keterbukaan, kejelasan, dan empati. Hal ini, pada gilirannya, meningkatkan kredibilitas kepala sekolah dan meningkatkan kinerja guru dan staf sekolah. Selain itu, kepala sekolah yang memiliki kemampuan komunikasi interpersonal yang kuat cenderung lebih efektif dalam pengambilan keputusan, penyelesaian konflik, memberikan umpan balik yang konstruktif, dan menjaga semangat tim di lingkungan sekolah. Temuan penelitian ini diharapkan dapat berkontribusi pada pengembangan wawasan teoritis dan praktis tentang komunikasi interpersonal dalam kepemimpinan sekolah.
Pengembangan Media Pembelajaran Matematika Integrasi Keislaman Berbasis Digital untuk Mendukung Implementasi Kurikulum Merdeka dan Profil Pelajar Pancasila Khotimah, Nur; Mukmin, Muhammad Islahul
Jurnal Tadris Matematika Vol 7 No 2 (2024)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2024.7.2.191-206

Abstract

The lack of mathematics learning media used and the lack of students' understanding of the sequence and series material often result in students having difficulty solving problems in the material. In mathematics learning, students not only obtain cognitive values, but also affective values ​​that can support the implementation of the Independent Curriculum and the Pancasila Student Profile, one of which is the first dimension. This study aims to develop digital-based Islamic-integrated mathematics learning media that can make it easier for students to understand the material, namely in the form of learning videos developed using Powtoon on the sequence and series material for class X. This study is a Research and Development (RnD) study with the ADDIE development model consisting of 5 stages, namely Analysis, Design, Development, Implementation, and Evaluation. The data collection instruments in this study were in the form of field note sheets, validation sheets, and questionnaire sheets. The Islamic-integrated mathematics learning video obtained validation results from media experts of 85.71%, material experts of 85.42%, integration experts of 78.125%, and language experts of 85.71%. In addition, the percentage of practicality from teachers was 92%, from small group trials it was 83.75%, and from large group trials it was 78.63%. Based on the questionnaire given, students became more knowledgeable about sequences and series.
PENERAPAN MODEL PEMBELAJARAN PROBLEM POSING DAN DIRECT INSTRUCTION DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH PADA SEKOLAH DASAR Nur Qorimah, Esti; Khotimah, Nur
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i2.3939

Abstract

Penelitian ini dilatarbelakangi pada permasalahan rendahnya kemampuan pemecahan masalah matematis siswa. Sebagai alternatif dari permasalahan tersebut, dilakukan penelitian dengan penerapan model pembelajaran Problem Posing dan Direct Instruction dalam pembelajaran matematika. Tujuan dalam penelitian ini untuk menganalisis peningkatan kemampuan pemecahan masalah matematis siswa yang belajar dengan model pembelajaran Problem Posing dan Direct Instruction. Metode penelitian yang digunakan adalah kuasi eksperimen dengan populasi seluruh siswa kelas IV SDN 03 Widoro di Wonogiri. Sampel dipilih berdasarkan teknik purposive sampling, dan diperoleh dua kelas sebagai sampel penelitian. Instrumen penelitian yang digunakan adalah tes kemampuan pemecahan masalah matematis. Berdasarkan hasil analisis secara statistik diperoleh kesimpulan bahwa peningkatan kemampuan pemecahan masalah matematis siswa yang belajar dengan model pembelajaran Problem Posing lebih baik dari model pembelajaran Direct Instruction.
Visionary Learning in the Subjects of Islamic Education and Character Based on Idealism in Generation Z Khotimah, Nur; Syukur, Fatah
Hikmatuna : Journal for Integrative Islamic Studies Vol 6 No 2 (2020): Hikmatuna: Journal for Integrative Islamic Studies, December 2020
Publisher : UIN K.H. Abdurrahman Wahid Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28918/hikmatuna.v6i2.8754

Abstract

The aim of this study was to find a visionary learning model for subject Islamic Education and Character (IE-C) to shape character. The application of visionary learning in IE-C based on idealism makes it possible to achieve learning objectives by achieving spiritual aspects with noble character, especially for Z generation. Hence, the educators are encouraged to integrate future competencies (4K) in all IE-C materials, so that they can optimize the potential of students' visionary intelligence that consists of SQ, EQ, IQ, and PQ. The research method used in this study is a descriptive analysis with qualitative approach The results of this study indicate that in visionary learning an educator tries to integrate faith and practice into all IE-C learning. This learning focuses on the habituation program and future motivation, thus encouraging the creativity of Z generation students to be critical, communicative and able to collaborate with their friends. So that, the growth of noble character in the students of Z generation, can be implemented and the results can be expected to be achieved.
High-pressure adsorption isothermal on a novel microporous material from polyethylene terephthalate plastic waste in carbon dioxide capture applications Martin, Awaludin; Taer, Erman; Nasruddin, Nasruddin; Khotimah, Nur
Teknomekanik Vol. 8 No. 1 (2025): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v8i1.36172

Abstract

Carbon capture is a vital strategy for mitigating climate change by reducing industrial CO2 emissions. Adsorption technology using microporous material shows significant promise. However, significant challenges persist in developing cost-effective and sustainable adsorbents. This study addresses this issue by simultaneously enabling CO2 adsorption and plastic waste utilization through activated carbon derived from polyethylene terephthalate (PET). It was evaluated under isothermal conditions (27°C, 35°C, and 45°C) at pressures up to 3500 kPa. The maximum CO2 adsorption capacity was 0.21313 kg/kg at 27°C and 3504.39 kPa, demonstrating the effectiveness of PET-derived activated carbon in capturing CO2. The Toth isotherm model exhibited a strong fit with experimental data, with an R2 of more than 99%. The Clausius-Clapeyron equation yielded an adsorption heat of 2223.66 kJ/kg using the Toth fitting, and the Chakraborty-Saha-Koyama model yielded a heat of 2383.65 kJ/kg, confirming strong adsorption potential. These results underline PET waste as a viable precursor for sustainable carbon capture adsorbents. Furthermore, the results provide essential data for developing numerical models to optimize adsorption-based carbon capture technologies.
Pengembangan Media Pembelajaran Matematika Integrasi Keislaman Berbasis Digital untuk Mendukung Implementasi Kurikulum Merdeka dan Profil Pelajar Pancasila Khotimah, Nur; Mukmin, Muhammad Islahul
Jurnal Tadris Matematika Vol 7 No 2 (2024)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2024.7.2.191-206

Abstract

The lack of mathematics learning media used and the lack of students' understanding of the sequence and series material often result in students having difficulty solving problems in the material. In mathematics learning, students not only obtain cognitive values, but also affective values ​​that can support the implementation of the Independent Curriculum and the Pancasila Student Profile, one of which is the first dimension. This study aims to develop digital-based Islamic-integrated mathematics learning media that can make it easier for students to understand the material, namely in the form of learning videos developed using Powtoon on the sequence and series material for class X. This study is a Research and Development (RnD) study with the ADDIE development model consisting of 5 stages, namely Analysis, Design, Development, Implementation, and Evaluation. The data collection instruments in this study were in the form of field note sheets, validation sheets, and questionnaire sheets. The Islamic-integrated mathematics learning video obtained validation results from media experts of 85.71%, material experts of 85.42%, integration experts of 78.125%, and language experts of 85.71%. In addition, the percentage of practicality from teachers was 92%, from small group trials it was 83.75%, and from large group trials it was 78.63%. Based on the questionnaire given, students became more knowledgeable about sequences and series.
Perbandingan Algoritma C4.5, Naïve Bayes dan K-Nearest Neighbour untuk Prediksi Lahan Kritis di Kabupaten Pemalang Khotimah, Nur; Istiawan, Deden
Prosiding University Research Colloquium Proceeding of The 7th University Research Colloquium 2018: Mahasiswa (student paper presentation)
Publisher : Konsorsium Lembaga Penelitian dan Pengabdian kepada Masyarakat Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Keberadaan lahan merupakan aspek penting dalam kehidupanmanusia dan makhluk hidup lainnya, akan tetapi persoalan kerusakanhutan dan lahan terus terjadi dan mengalami peningkatan sehinggamengakibatkan lahan menjadi kritis. Data dan informasi mengenaidegradasi hutan dan lahan seringkali tidak mengacu kepada formatdan struktur database yang dapat dipertanggungjawabkan.Sehinggasalah satu faktor penting dalam menentukan kesuksesanpemetaanpenggunaan lahan guna meningkatkan fungsi hutan lindungdan hutan konservasiterletak pada pemilihan skema klasifikasilahannya. Klasifikasi dapat diselesaikan dengan menggunakan teknikdata mining. Klasifikasi termasuk dalam tipe supervised learning yangartinya dibutuhkan data pelatihan untuk membangun suatu modelklasifikasinya. Terdapat lima kategori klasifikasi yaitu berbasisstastistik, berbasis jarak, berbasis pohon keputusan, berbasis jaringansaraf, dan berbasis aturan. Tiap kategori klasifikasi memiliki banyakpilihan algoritma. Algoritma yang paling sering digunakan adalahalgoritma C4.5, Naïve Bayes, dan k-Nearest Neighbour (k-NN).Penelitian ini akan membandingkan hasil klasifikasi dari tigaalgoritma tersebut untuk mengetahui algoritma mana yang memilikikinerja paling baik dalam memprediksi berdasarkan nilai akurasi.Data yang digunakan yaitu data lahan lahan kritis daerah hutanlindung dan hutan konservasi Kabupaten Pemalang .Hasil daripenelitian ini diperoleh C4.5 memiliki akurasi paling tinggi sebesar77,75 % disusul Naïve Bayes 77,49% dan terakhir k-NN memilikiakurasi sebesar 73,91%.
Tinjauan Karakteristik Beton dengan Agregat Kasar dari Limbah Beton dengan Variasi Jumlah Semen Rochman, Abdul; Khotimah, Nur; Setyawan, Budi; Fajarrini, Eka Nur; Sulistiyono, Yoga
Prosiding Seminar Nasional Teknik Sipil UMS 2022: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.507 KB)

Abstract

Perkembangan dalam bidang konstruksi tidak hanya memberikan manfaat positif, namun juga dapat mensisakan dampak negatif, salah satunya adalah limbah beton yang keberadaannya semakin hari semakin menumpuk. Sudah banyak upaya untuk memanfaatkan limbah tersebut, diantaranya adalah dengan cara mendaur ulang limbah beton tersebut menjadi agregat untuk dipakai membuat beton baru. Penelitian ini bertujuan untuk mengetahui karakterisitik beton dengan menggunakan agregat kasar dari pecahan limbah beton. Dalam upaya meningkatkan kuat-tekan beton yang dihasilkan, pada benda uji diberi tambahan semen dengan variasi penambahan 0 %, 10%, 20%, 30%, 40% dan 50% dengan 5 benda uji di setiap variasinya. Limbah beton yang digunakan merupakan limbah beton bekas sampel uji di laboratorium Teknik Sipil UMS. Perancangan campuran menggunakan metode DOE/SNI 03-2834-2000. Benda uji berbentuk silinder yang memiliki ukuran diameter 15 cm dan tinggi 30 cm. Pengujian dilakukan setelah beton berumur 28 hari. Dari pengujian diperoleh, nilai slump, berat jenis, kuat-tekan, dan kuat tarik beton dengan agregat kasar dari limbah beton nilainya cenderung lebih rendah dari beton normal. Dari hasil pengujian juga diperoleh, nilai slump, berat jenis, kuat-tekan, dan kuat tarik beton dengan agregat kasar dari limbah beton nilainya cenderung turun seiring bertambahnya jumlah semen yang digunakan.
Energy Management and Audit of the Lighting and Air Conditioning System at the Teratak Buluh Grand Mosque, Pekanbaru City Nasution, Fikri Fahlevi; Khotimah, Nur; Martin, Awaludin; Sihombing, Tikkos
Proksima Vol 2 No 1 (2024): Jurnal ProKsima
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/proksima.v2i1.17

Abstract

Energy management and audits are important steps in improving a building's energy efficiency. Mosques, as centers of religious and social activities, often have significant energy requirements. The research methods used include field observations at the Teratak Buluh Grand Mosque, measuring energy consumption, and recommendations for saving energy use. The research results show that mosques have the potential for significant energy savings with recommendations for energy conservation opportunities that can be implemented by reducing the number of lamps used and the number of air conditioners. Previously, electrical power consumption at the Teratak Buluh Grand Mosque was 74,480.40 kWh/year with electricity costs reaching IDR 68,894,370/year. Meanwhile, electrical power usage after energy conservation opportunities (ECO) is 41,918.40 kWh/year with electricity costs of IDR 38,774,520/year, with an energy consumption intensity (IKE) value at the mosque of 13.49 kWh/m2/ month. Based on Permen No. 13 Tahun 2012 Tentang Penghematan Energi Listrik, this value is included in the fairly efficient energy consumption category.
Co-Authors Abdul Rochman Agusta, Dhiky Rahman Agustina, Dinni Alfian, Danni ana, Di Aprilianto, Prayogi Ardiansyah, Mulia Arjuniati, Arjuniati Aswaruddin, Aswaruddin Awaludin Martin Budi Setyawan Cathrine, Cindi Alfiana Choiriyah Widyasari DENI SETIAWAN Dewi Safitri Diana Endang Fauziati Erman Taer Ernu Widodo, Ernu Fajarrini, Eka Nur Fatah Syukur, Fatah Ginting, Yogie Rinaldy Gunawan, G Haidaputri, Trivosa Aprilia Novadiana Handono, Bagus Tri Hartono, Rudi Hayani, Aida Humairah, Humairah Istiawan, Deden Iwan Kurniawan Izzati, Etika Shovi Nur Jheri Hermanto Joko Sutarto Khoirun Nisa Kusuma, Afifah Nidayati Lailah, Alful M, Anjun Nikmah Wakhidatul Mardiyas, Sobi Minsih Mudayan, Arfian Muhammad Faisal Muhammad Islahul Mukmin Nasruddin Nasruddin Nasution, Fikri Fahlevi Nur Qorimah, Esti Nuraeni, Icha Nurfadhylah, Eky Yuliana Nuril Huda Rajabani, Mesya Kahla Ramadhan, Ndaru Ramayanti, Suci Retno Tri Hariastuti, Retno Tri Sihombing, Tikkos Situmorang, Mela Safitri SRI ASTUTIK Sulistiyono, Yoga Sunny Ineza Putri Surianto, Muhammad Akbar Syukur, Mursalin Abd. Ulya Ainur Rofiah Widayanto, Mutinda Teguh Wiyono, Joko Zachary, Nabilla Vastusya Zy, Ahmad Turmudi