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All Journal MATEMATIKA Delta Jurnal Ilmiah Pendidikan Matematika FKIP Universitas Pekalongan Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Register: Jurnal Ilmiah Teknologi Sistem Informasi JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Indonesian Journal Of Civil Engineering Education Syntax Literate: Jurnal Ilmiah Indonesia BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Agrotek Tropika Jurnal AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Jurnal Pendidikan Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Bagimu Negeri : Jurnal Pengabdian Kepada Masyarakat Mount Hope Global Economic Journal Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Ngaos: Jurnal Pendidikan dan Pembelajaran Mount Hope Management International Journal ILJ: Islamic Learning Journal Jurnal Proteksi Agrikultura
Solikhin Solikhin
Program Studi Matematika, FSM UNDIP Jl. Prof. Soedarto, S.H. Semarang, 50275
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Pendampingan Gapoktan Jaya Makmur dalam Pengelolaan Penyakit Bercak Cincin pada Tanaman Pepaya di Desa Bumi Jaya, Lampung Selatan Helina, Selvi; Akin, Hasriadi Mat; Solikhin, Solikhin; Maryono, Tri; Yusticia, Stenia Ruski
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 3 No. 2 (2024): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 3 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v3i2.9443

Abstract

Gapoktan Jaya Makmur merupakan salah satu Gapoktan di Kecamatan Candipuro yang menjadikan tanaman pepaya sebagai salah satu komoditi unggulan di Kabupaten Lampung Selatan. Penyakit bercak cincin yang disebabkan oleh virus menjadi faktor pembatas dalam kegiatan budidaya tanaman pepaya di Desa Bumijaya. Minimnya pengetahuan petani dalam mengenali penyakit bercak cincin pada tanaman pepaya dan pengelolaannya di lapangan menjadi permasalahan utama yang belum bisa diatasi oleh kelompok tani di desa Bumijaya. Metode yang digunakan adalah pendampingan melalui penyuluhan penyakit bercak pepaya dan pengelolaan penyakit dengan prinsip pengendalian hama terpadu (PHT) serta pelatihan pembuatan agens hayati di lapangan. Hasil kegiatan pengabdian kepada masyarakat yang telah dilaksanakan dapat disimpulkan: 1) Kegiatan pengabdian kepada masyarakat diikuti oleh anggota dan pengurus Gapoktan Jaya Makmur, Desa Bumijaya, Lampung Selatan, POPT Kecamatan Candipuro, Penyuluh Pertanian Desa Bumijaya; 2) Peserta sangat antusias mengikuti kegiatan yang ditunjukan oleh keaktifannya dalam menyimak dan merespon penyampaian materi serta aktif bertanya dan memberi tanggapan terhadap setiap permasalahan yang dibahas, 3) Terjadi peningkatan penguasaan pengetahuan tentang Pengembangan Trichoderma sebagai Upaya Pengelolaan Penyakit bercak cincin pada tanaman pepaya yang Ditularkan oleh kutu putih (Aphids) di Candipuro, Lampung Selatan yang signifikan yang ditunjukkan oleh hasil evalusai setelah diberi penyuluhan lebih yaitu mayoritas peserta memiliki pengetahuan yang baik hingga sangat baik (96%) dan tidak ada peserta yang memiliki nilai dengan kriteria kurang. Dengan demikian pendampingan Gapoktan Jaya Makmur dalam kegiatan pengabdian ini sangat bermanfaat bagi kelompok tani dalam mengelola Penyakit Bercak Cincin pada tanaman pepaya di Desa Bumijaya, Lampung Selatan.
PM10 AIR QUALITY INDEX MODELING USING ARFIMA-GARCH METHOD: BUNDARAN HI AREA OF DKI JAKARTA PROVINCE Hariyanto, Susilo; Wibawa, Salsabila Gustia; Solikhin, Solikhin
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 4 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss4pp2165-2180

Abstract

Air quality is an essential factor in urban life, and its’ assessment often relies on the concentration of measurable air pollution parameters. One critical parameter is Particulate Matter (PM), particularly PM10, which comprises solid or liquid particles dispersed in the air from various sources. One of the methods employed for predicting stock index prices is ARFIMA. ARFIMA is used to model long memory data characterized by a slowly decreasing Autocorrelation Function (ACF) plot (hyperbolic) or a difference value in the fractional from. This method is widely used due to its ability to handle nonstationarity issues in time series. However, the time series data often contain heteroskedasticity problems. Data with heteroscedasticity are then further addressed using the GARCH model, because it can model volatility changes occurring over longer periods and capture the persistence of volatility. The ARFIMA-GARCH model can explain long-memory patterns in time series data and address heteroscedasticity issues. The data are sourced from the Jakarta open data web, which is integrated with DLH DKI Jakarta Province. The aim of this research was to forecast the PM10 air quality index at the Bundaran HI Area in the Province of DKI Jakarta for the next 14 days, from January 1st to January 14th, 2021, using an ARFIMA model enhanced with GARCH. The analysis reveals that the best model is ARFIMA ([17], d, [1])-GARCH (1,1). Forecasting using this model resulted in a MAPE of 3.47%, indicating that the model is highly capable of forecasting several periods.
ANALISIS DAN DAMPAK EKONOMI DIGITAL DI INDONESIA Erbito, Yoseph; Solikhin, Solikhin; Purwani, Tri
Mount Hope Economic Global Journal Vol. 3 No. 2 (2025)
Publisher : Institut Teknologi dan Bisnis Kristen Bukit Pengharapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61696/mega.v3i2.830

Abstract

The digital economy refers to all economic activities that utilize digital technology and the internet as their main platform. In recent years, the digital economy has experienced rapid growth, having a significant impact on economic growth, innovation, and changes in consumer behavior. This article aims to examine various aspects of the digital economy, including its impact on economic sectors, the challenges it faces, and the policies needed to support its growth. In Indonesia, the digital economy is growing rapidly and is expected to continue to increase in line with the increasing penetration of the internet and smartphone usage. However, challenges such as cybersecurity, data privacy, and uneven infrastructure need to be addressed. The government and the private sector must work together to create an environment that supports the sustainable growth of the digital economy, so that Indonesia can take advantage of its enormous potential in the global digital economy.
PENGARUH KEPEMIMPINAN TRANSFORMASIONAL, LINGKUNGAN KERJA FISIK TERHADAP KINERJA PEGAWAI, DIMEDIASI MOTIVASI KERJA Solikhin, Solikhin; Purwani, Tri; Erbito, Yoseph; Marwati , Sri
Mount Hope Management International Journal Vol. 3 No. 2 (2025)
Publisher : Institut Teknologi dan Bisnis Kristen Bukit Pengharapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61696/momil.v3i2.829

Abstract

This research aims to determine the influence of the transformational leadership and physical work environment on employee performance with work motivation as a Mediating Variable at Dinas Koperasi Usaha Kecil Dan Menengah, Perindustrian Dan Perdagangan yang ada di Kab. Bantul This research design is quantitative research with a population of 122 employees anda sample of 122 respondents. The data collection method in this research uses the questionnaire method. Data analysis used in this research uses a Structural Equation Model(SEM) approach based on Partial Least Square (PLS). The results of this research show that the Transformational leadership has a positive influence on performance, transformational leadership has a positive influence on work motivation, the physical work environment does not affect performance, the physical work environment has a positive influence on work motivation, work motivation has a positive influence on performance, there is a positive relationship between transformational leadership and performance mediated by work motivation, there is a positive relationship between the physical work environment and performance, mediated by work motivation.
PEMANFAATAN LIMBAH KULIT BUAH UNTUK ECOENZYME SEBAGAI HAND SANITIZER DI DESA TIRTOMARTO KABUPATEN KLATEN Setyaji, Yekti; Asiyah, Tahsya; Rivetra, Amelia Hayu; Arsha, Nabila Syahadati; Sunarno, Sunarno; Santosa, Ari Wibawa Budi; Solikhin, Solikhin; Fauzi, Adnan; Lestari, Fiya Auliya
Jurnal Pasopati Vol 7, No 2 (2025): Vol 7, No 2 (2025)
Publisher : Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/pasopati.2025.28999

Abstract

Limbah organik rumah tangga seperti sisa sayur dan kulit buah, merupakan kontributor utama sampah di Indonesia, dengan proporsi mencapai lebih dari 60% dari total timbunan sampah. Pengelolaan limbah organik yang tidak optimal dapat menyebabkan dampak negatif terhadap kesehatan masyarakat dan lingkungan. Salah satu solusi inovatif adalah pembuatan eco-enzyme, yakni cairan hasil fermentasi limbah organik kulit buah dan sayur dengan gula merah dan air, yang memiliki sifat antibakteri dan antijamur. Kegiatan sosialisasi dan demonstrasi sebagai bagian dari program kerja multidisiplin 1 Kuliah Kerja Nyata (KKN) IDBU Tim 56 Universitas Diponegoro dilakukan dengan tujuan untuk memberdayakan masyarakat Desa Tirtomarto, Klaten, dalam mengolah limbah rumah tangga menjadi eco-enzyme yang dapat dimanfaatkan sebagai hand sanitizer alami dan ramah lingkungan. Kegiatan ini meliputi sosialisasi, pelatihan, dan pendampingan dalam proses pembuatan eco-enzyme, serta edukasi mengenai manfaat dan aplikasi produk tersebut. Hasil dari kegiatan ini diharapkan dapat meningkatkan kesadaran masyarakat tentang pentingnya pengelolaan limbah organik, serta memberikan alternatif produk pembersih yang ekonomis dan efektif dalam mendukung kesehatan masyarakat.Kata Kunci : Eco-enzyme, limbah organik, hand sanitizer.
Asta Cita Pertahanan Indonesia Dan Dinamika Kepemimpinan Strategis Dalam Geopolitik Indo Pasifik Solikhin, Solikhin; Widodo, Eko Slamet; Susilo, Tarsisius; Yadi, Rahman; Golkariansyah, Golkariansyah
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v10i10.61769

Abstract

Kajian ini menganalisis dinamika geopolitik Indo-Pasifik yang semakin dipengaruhi oleh rivalitas Amerika Serikat, Tiongkok, dan Rusia dalam perebutan sumber daya strategis, jalur perdagangan, serta dominasi politik kawasan. Indonesia, sebagai negara kepulauan terbesar dengan posisi geostrategis pada Sea Lines of Communication (SLOC), menghadapi tantangan sekaligus peluang dalam mengamankan kepentingan nasional. Melalui kerangka Asta Cita Pertahanan, yang menekankan delapan prioritas strategis termasuk modernisasi alutsista, penguatan industri pertahanan, dan diplomasi pertahanan aktif, penelitian ini menelaah bagaimana Indonesia dapat memanfaatkan kekuatan internal untuk merebut peluang eksternal. Metode penelitian menggunakan pendekatan kualitatif deskriptif dengan analisis SWOT yang menunjukkan posisi Indonesia pada Kuadran I (Strength–Opportunity). Hasil penelitian mengungkap bahwa keunggulan geostrategis, doktrin Sishankamrata, dan potensi sumber daya alam dapat dijadikan basis untuk memperkuat postur pertahanan nasional serta meningkatkan kepemimpinan Indonesia di kawasan. Namun demikian, keterbatasan modernisasi alutsista, ketergantungan teknologi luar negeri, dan lemahnya koordinasi lintas-sektor tetap menjadi hambatan. Kesimpulan penelitian ini menegaskan perlunya kepemimpinan strategis yang proaktif, adaptif, dan visioner guna memastikan bahwa Asta Cita Pertahanan tidak hanya menjadi doktrin normatif, tetapi juga instrumen operasional menuju Indonesia Emas 2045.
Pembelajaran Fikih Berbasis Teknologi Informasi dan Komunikasi Solikhin, Solikhin; Winarti , Ika
ILJ: Islamic Learning Journal Vol. 3 No. 1 (2025): Januari
Publisher : Program Studi Pendidikan Agama Islam STIT al Urwatul Wutsqo Bulurejo Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54437/iljjislamiclearningjournal.v3i1.1785

Abstract

The development of information and communication technology (ICT) has brought significant changes in the world of education, including in learning fiqh subjects in Islamic educational institutions. This research aims to find out how the implementation of ICT-based fiqh learning in MA Al Urwatul Wutsqo Jombang, as well as to identify the supporting and inhibiting factors. The research method used is qualitative with a case study approach. Data collection techniques were conducted through observation interviews and documentation. The results showed that fiqh learning at MA Al Urwatul Wutsqo has integrated various ICT media, such as PowerPoint, learning videos, interactive quiz applications (Quizizz, Kahoot), and the Google Classroom platform. This approach has been proven to increase learning interest, student engagement, and understanding of fiqh material, especially on the practical aspects of worship. Teachers play an active role in designing interactive and contextual learning by utilising available technology. Supporting factors for the success of ICT-based learning include the availability of supporting facilities in the madrasah, support from the principal, teacher training, and students' enthusiasm for digital media. Meanwhile, inhibiting factors include limited equipment and students' uneven ability to use technology.
Pemanfaatan Aplikasi Mobile Learning dalam Meningkatkan Literasi Al-Qur’an Siswa Generasi Z Solikhin, Solikhin; Winarti, Ika
ILJ: Islamic Learning Journal Vol. 3 No. 3 (2025): Juli In Press
Publisher : Program Studi Pendidikan Agama Islam STIT al Urwatul Wutsqo Bulurejo Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54437/iljjislamiclearningjournal.v3i3.2484

Abstract

The development of digital technology has significantly influenced the learning styles of Generation Z, including in the context of Islamic education. This study aims to analyze the utilization of mobile learning applications in improving Qur’anic literacy among students at MTs Al Urwatul Wutsqo Jombang. This research employed a descriptive qualitative approach with data collection techniques including observation, interviews, and documentation. The findings reveal that the use of mobile learning applications enhances students’ learning motivation, Qur’an reading skills, and understanding of the meaning of Qur’anic verses. Furthermore, mobile learning provides flexibility in terms of time and place, aligning with the characteristics of Generation Z who are highly engaged with technology. This study recommends that Islamic educational institutions further integrate digital technology into Qur’anic learning to address the challenges of the digital era and promote sustainable Qur’anic literacy.
Uji in vitro patogenisitas Beauveria bassiana terhadap larva ulat pucuk Strepsicrates rhothia hama tanaman jambu kristal Asya, Dinda Putri; Hasibuan, Rosma; Solikhin, Solikhin; Fitriana, Yuyun
Jurnal Proteksi Agrikultura Vol. 2 No. 2 (2025): NOVEMBER, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.2272-78

Abstract

The purpose of this study was to find out the growth of Beauveria bassiana fungal colonies in vitro on PSA media and to find out the pathogenicity of B. bassiana fungus against Strepsicrates rhothia larvae. The experiment was conducted using a Randomized Complete Block Design (RCBD), comprising five treatment levels of B. bassiana spore density: 7.1 × 10⁴, 7.1 × 10⁵, 7.1 × 10⁶, 7.1 × 10⁷ conidia/mL, and without B. bassiana as control. Each treatment was replicated three times. The results showed that the average growth of B. bassiana fungus two weeks after inoculation was 3.9 cm. The number of spores of B. bassiana fungus at dilutions of 10-1, 10-2, 10-3, and 10-4 was 7.1 x 107, 7.1 x106, 7.1 x 105, and 7.1x 104 conidia/mL, respectively. After 24 hours of incubation, the viability of B. bassiana spores reached 86.04% and at a spore concentration of 7.1 × 10⁷ conidia/mL, B. bassiana resulting in 100% mortality of S. rhothia larvae.
PEMANFAATAN MATEMATIKA DEMOGRAFI UNTUK INFOGRAFIS KEPENDUDUKAN DESA LEMAHABANG DORO PEKALONGAN Solikhin, Solikhin; Ningtyas, Maharani Pramelia
Jurnal Pasopati Vol 6, No 1 (2024)
Publisher : Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/pasopati.2024.22102

Abstract

Desa Lemahabang merupakan salah  satu dari 14 desa di Kecamatan Doro Kabupaten Pekalongan yang berada di ketinggian 200 mdpl dengan luas wilayah 628 ha/m2, 24% diantaranya digunakan sebagai pemukiman warga. Desa ini terbagi dalam 10 dusun, 3 Rukun Warga, dan 20 Rukun Tetangga. Dalam perencanaan kebijakan pembangunan suatu pemerintahan desa sangat membutuhkan data kependudukan. Seperti perencanaan kebijakan pendidikan membutuhkan data penduduk usia sekolah, perencanaan lapangan kerja membutuhkan data penduduk  usia kerja dan lain sebagainya. Kendala utama  yang dihadapi oleh pemerintah desa adalah belum terupdatenya data kependudukan di tahun 2023 sehingga pemerintah dalam merencanakan program masih mengacu data sebelumnya. Oleh karena itu perlu dilakukan pendataan warga yang dikelompokkan berdasarkan usia, jenis kelamin, pendidikan dan mata pencaharian. Hasil yang diperoleh bahwa jenis piramida penduduk Desa Lemahabang tergolong piramida muda. Jumlah penduduk berdasarkan usia dan jenis kelamin, tingkat pendidikan, dan mata pencaharaian direpresentasikan berturut-turut dalam diagram batang, diagram lingkaran, dan diagram batang. Mayoritas mata pencaharian penduduk desa ini sebagian besar adalah petani sedangkan mayoritas tingkat pendidikannya adalah tamatan sekolah dasar.
Co-Authors A G Thamrin Abdul Aziz Abdul Hafid Dasuqi, Muhammad Abdullah Aman Damai Agus Karyanto Ainur Rosidah Ardiansyah, Prima Ari Wibawa Budi Santosa Arsha, Nabila Syahadati Asiyah, Tahsya Asya, Dinda Putri Azizah, Mar'atul Basri, Ari Kusuma Budi Siswanto Churum, Muhammad Walid Syahrul Dian Rakhmawati, Dian Efri, Efri F.X. Susilo, F.X. Fauzi, Adnan Fembriarti Erry Prasmatiwi Fiandani, Ambar Golkariansyah, Golkariansyah Gunawan, Tomy Hakim Harahap, Enda Mora Hasriadi Mat Akin Helina, Selvi Heni Pujiastuti Hesti Muliawati I GEDE SWIBAWA, I GEDE Jesica, Dispy Khoirur Rozikin, Hari Kholidah, Umi Khulailiyah, Ahsanatul Kushendarto Kushendarto, Kushendarto Kustopo Budiraharjo Kuswanta Futas Hidayat Lailiyah, Nurul Lestari Wibowo Lestari, Fiya Auliya Lucia Ratnasari M. Zakki Abdillah Marwati , Sri Masrur, Mukhamad Masrur Mustakim Mustakim Ningtyas, Maharani Pramelia Nursyamsiah, Ulfa Pramono, Gatot Eka Pratiwi, Irene Indah Purnomo Purnomo Radix Suharjo Rahman, Moch Rifki Andika Ringo, Andrew Y. C. Rivetra, Amelia Hayu Riyanto, Eko Rosma Hasibuan, Rosma Rusdi Evizal Sadiyah, Nyimas Sanjaya, Purba Saputra, Oded Septiana, Arum Ryani Setyaji, Yekti Setyo Widagdo Sri Yusnaini Sudi Pramono . Sugiatno Sugiatno Sunarno Sunarno Supriyadi, Tachli susilo hariyanto Susilo, FX. Susilo, Tarsisius Suskandini Ratih Dirmawati Taufik Hidayat Tri Maryono Tri Purwani, Tri Utomo, R. Heri Soelistyo Utomo, R. Heri Soelistyo Wibawa, Salsabila Gustia Widodo, Eko Slamet Winarti , Ika Winarti, Ika Y.D Sumanto Yadi, Rahman YD Sumanto Yepese, Edison Hadi Yoseph Erbito Yusticia, Stenia Ruski Yuyun Fitriana