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Aerodynamic Analysis of Diffuser with Airfoil-Based Curved Geometry Across Various Prototypes Ramadhan, Galang Baruna; Wiratama, I Kade; Joniarta, I Wayan
Journal of Mechanical Engineering, Science, and Innovation Vol 5, No 1 (2025): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2025.v5i1.7313

Abstract

The diffuser can increase air velocity in wind turbines by utilizing pressure differences, particularly in small-scale wind turbines. However, some previous research still uses a simple diffuser shape. One alternative diffuser shape is using the airfoil, the wortmann Fx 63-137 airfoil has high lift, exhibits soft stall characteristics, and has excellent overall performance. This study aims to analyze the wind velocity and wind power output generated by an airfoil-based diffuser. Aerodynamic simulations were used with an inlet wind speed of 5.6 m/s. The diffuser has a diameter of 1020 mm, with length to diameter ratios of 0.1, 0.137, 0.221, and 0.371, with angles of attack from 0° to 8° in 2° increments. The results show that the diffuser 0.371 ratio at an 8° angle of attack achieved the highest wind speed of 10.22 m/s, it generate 513 watts. Conversely, the lowest wind speed was observed with a 0.1 ratio at an 8° angle, where the velocity reached 6.58 m/s, producing 137 watts of wind power. Those findings indicate that diffuser length is directly proportional to wind velocity. However, variation in the angle of attack result in maximum wind velocity at specific angles, and wind power output is directly proportional to wind velocity.
Pemerdayaan Masyarakat Dalam Pengolahan Kohe Ayam Sebagai Pupuk Alternatif Pertanian Maju Berkelanjutan Surya Buana, I Gede Eka; Nopia Ramdhani, Riyan; Fauzan, Muhammad; Firmansyah, Maman; Salsabila, Aulivia Nanda; Panesa Aulia, Linda; Alfi Sahrin, Laila; Masintan, Masintan; Laeli, Inayatul; Tira Aulana, Dina; Joniarta, I Wayan
Jurnal Wicara Vol 3 No 3 (2025): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v3i3.6778

Abstract

Darek, Farmers, POC, Socialization, Training. This study emphasizes the importance of community empowerment in the sustainable agriculture sector in Indonesia, particularly by promoting the use of chicken manure (kohe) as an alternative organic fertilizer. With the majority of its population engaged in agriculture, Indonesia faces challenges in food security, exacerbated by the dependence on chemical fertilizers that damage soil quality and environmental health. This study identifies the role of chicken manure in the production of organic fertilizers, specifically liquid organic fertilizer (POC), which contains essential nutrients that exceed those found in cow and goat manure. The aim is to educate local farmers in Darek village on the production and benefits of POC through workshops and training sessions. The project, conducted by students of the University of Mataram, aims to shift farmers’ dependence from chemical fertilizers to organic fertilizers, thereby encouraging sustainable agricultural practices. Initial assessments revealed a significant lack of awareness and interest among local farmers in organic alternatives due to ingrained habits that support chemical use. Following a structured approach that included surveys, expert-led training sessions, and hands-on POC production, the project reported positive responses from 32 participants, validating the need for continued education in sustainable agricultural techniques. The result is a high level of participant understanding of 62.5% and a skill level of 78.2%. The purpose of the activity is to increase farmer awareness of the use of organic fertilizers and promote environmental management in the farming community.
APLIKASI MESIN EXTRUDER KAWAT UNTUK MENINGKATKAN PRODUKTIFITAS PERAJIN PERAK “DHIMAS SILVER” DESA UNGGA, KECAMATAN PRAYA BARAT DAYA, KABUPATEN LOMBOK TENGAH Suartika, I Made; Wijana, Made; Putra, I Nyoman Nugraha Ardana; Joniarta, I Wayan; Ramadhan, Galang Baruna; Putra, Ardi Wijaya
Jurnal Abdi Insani Vol 12 No 5 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i5.2473

Abstract

PBM-PKM's partner in this activity is Dhimas Silver with the owner Mr. Sarinda Farid Risky. The partner location is in Ungga Village, Southwest Praya District, Central Lombok. Featured products are: brooches, rings, studs, hairpins, suweng (a type of stud), pendants, bracelets and brooches-pendants. The jewelry is made from a combination of pearl shells which are shaped into oval, round, oval, rectangular, triangular and half round shapes and then framed with silver ornaments combined with pearls to produce classy handicraft products. The problem for SMEs in the production sector is the difficulty in making wire sizes smaller than 0.5 mm, so partners want help in making extruder style wire drawing machines. The aim of this activity is to solve production problems in making wire. The solution for the production sector was to create a wire pulling machine. The results of the activity produced a wire drawing machine with an extruder type. Wire pulling machine specifications Frame/chassis size Length 71.5 cm Width 51.5 cm Height 80 cm, angle iron 2 mm thick 5 x 5 cm. The driving electric motor is ¾ HP, 1400 rpm pulley Ǿ 3 inch connected to a V belt to the middle pulley (input gear box) Ǿ 7 inch with a transmission ratio so that the input gear box rotation is 600 rpm. The rotation of the input gear box in the middle rack will be reduced by the gear ratio 1:50 so that the output rotation of the gear box is 12 rpm, the output rotation of the gear box will be transmitted to the wire pulling roller on the top shelf using a v belt pulley system, with a diameter ratio Ǿ 3 inch to Ǿ 7 inch so that the rotation of the wire pulling roller becomes 5.5 rpm
Penerapan Mesin Penyedot Debu Model Sentrifugal Untuk Usaha Kreatif Kerajinan Kulit Kerang Mutiara “Concha” Handycraft Menunjang Pariwisata Berkelanjutan Di Desa Meninting Lombok Joniarta, I Wayan; Wirawan, Made; Adi Sayoga, I Made; Yudhyadi, I Gusti Ngurah Ketut; Mirmanto, Mirmanto
Jurnal Gema Ngabdi Vol. 7 No. 1 (2025): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v7i1.547

Abstract

The problem of dust pollution at the service partner "Concha Handycraft" is at the core of program activities. Controlling dust from its source is the main goal, namely replacing blower style vacuum cleaners with centrifugal type vacuum cleaners. The centrifugal type was chosen because it has a simple shape, the motor is separate from the fan, so the motor is protected from dust. The activity method begins with designing, purchasing materials, manufacturing in the workshop, testing, minor repairs, application and assistance. The results obtained are that the centifugal model vacuum cleaner that has been applied has advantages. The electrical power used from previously 260 watts to 120 watts. Working time can also increase because the motor used is a DC motor so it doesn't heat up quickly. If you use a blower model, the electric motor heats up quickly because it gets dust and needs to be cooled. The ability to suck up dust is also increased, with a fan at a 30 degree angle the ability to suck up and throw out is balanced. By using a centripugal model vacuum cleaner, 95% of the dust produced by the grinding machine can be sucked into the dust collection chamber.  Concha Handycraft partner SME owners and employees are very happy with the new machine, so they can be more productive at work, and stay protected from exposure to dust in the workplace.
Komunitas Radio Amatir sebagai Agen Mitigasi Bencana: Sosialisasi dan Pelatihan Penggunaan APAR Wiryajati, I Ketut; Adnyani, Ida Ayu Sri; Putra, I Ketut Perdana; Joniarta, I Wayan; Maryati, Sri
Jurnal Gema Ngabdi Vol. 7 No. 1 (2025): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v7i1.551

Abstract

The amateur radio community plays a strategic role in emergency communication, especially when conventional networks are disrupted during disasters. However, fire preparedness within this group remains limited. Fire risks mainly arise from electrical failures, short circuits due to non-standard equipment, and excessive heat from transmission devices. A lack of awareness regarding fire safety procedures, including the use of fire extinguishers (APAR), heightens vulnerability. This program aimed to improve fire preparedness among amateur radio operators in Mataram City through awareness campaigns and APAR training. The methods included observation, risk analysis, training development, implementation, and evaluation. Results revealed significant improvements in knowledge and practical skills, despite gaps in routine inspections and evacuation planning. The program strengthens the community's role not only as an emergency communication provider but also as an active fire mitigation agent, contributing to a safer and more resilient environment.
BANALITAS KORUPSI DI INDONESIA (Suatu Tinjauan Dari Perspektif Budaya) joniarta, i wayan
Jurnal Ilmiah Dinamika Sosial Vol 2 No 1 (2018)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/jids.v2i1.358

Abstract

PENDAHULUANKorupsi merupakan satu kata yang selalu memjadi buah bibir dan menjadi isu yang kerap up to date untuk didiskusikan, dengan kata lain bahwa korupsi merupakan fenomena    yang    cendrung    menarik perhatian dan    mengundang opini publik. Dapat disimak pada beberapa media baik media massa, elektronik, maupun media social lainnya yang setiap saat bertambah. Pada berbagai media tersebut setiap rubriknya cendrung tidak mengabaikan kasus-kasus tentang korupsi. Seperti pada era reformasi ini yaitu korupsi dalam kaitan dengan    E-    KTP ,    dugaan    korupsi    Asian Games 2018, proyek simulator ujian SIM Korps Lalu Lintas Polri, kasus korupsi Wisma Atlet Hambalang, kasus jual beli perkara Pemilukada ( bila dicantumkan semuanya bisa saja akan mempertebal halaman tulisan ini. Mencermati pernyataan tersebut tampaknya korupsi telah mengakar dan mendarah daging terutama dikalangan birokrasi pemerintahan. Ironisnya Kepala Kejaksaan Negeri Pamekasan (Jawa Timur) ditangkap KPK karena menghentikan proses hukum yang ditangani akibat dari menerima suap    Rp    250    juta    rupiah”(Jakarta Compas.Com, Rabu 2/8/2017).
Rekrutmen Terbuka Seleksi Jabatan Pimpinan Tinggi Berbasis Sistem Merit Pada Aparatur Sipil Negara Dalam Perspektif Keadilan Budiana, I Nyoman; Sabathian Poedjiarso, Benhard Okta; Joniarta, I Wayan; Nandari, Ni Putu Sawitri
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v10i10.61782

Abstract

Aparatur Sipil Negara (ASN) memiliki peran yang sangat penting dalam menjaga stabilitas dan kelancaran pemerintahan di suatu negara. Penyelenggaraan manajemen ASN di Indonesia menggunakan prinsip meritokrasi atau sistem merit. Melalui penetapan UU Nomor 20 Tahun 2023 tentang ASN, di mana prinsip meritrokrasi sebagai dasar penyelenggaraan manajemen ASN. Prinsip meritokrasi adalah prinsip pengelolaan sumber daya manusia yang didasarkan pada kualifikasi, kompetensi, potensi, dan kinerja, serta integritas dan moralitas yang dilaksanakan secara adil dan wajar dengan tidak membedakan latar belakang suku, ras, warna kulit, agama, asal-usul, jenis kelamin, status pernikahan, umur, atau berkebutuhan khusus. Berdasarkan Pasal 2 UU Nomor 20 Tahun 2023 tentang ASN diatur bahwa penyelenggaraan kebijakan dan manajemen ASN berdasarkan asas yang salah satunya adalah keterbukaan. Asas keterbukaan adalah penyelenggaraan manajemen ASN bersifat terbuka untuk publik sesuai dengan ketentuan peraturan perundang-undangan. Asas keterbukaan juga digunakan pada seleksi jabatan pimpinan tinggi yaitu dalam mengawasi proses pelaksanaan seleksi terbuka Jabatan Pimpinan Tinggi sebagai “perubahan besar” di dalam mewujudkan prinsip meritrokasi. Namun dalam pembobotan dalam sistem seleksi terbuka dalam pengisian Jabatan Tinggi pada ASN berpotensi terjadi subyektifitas dalam pengisian jabatan tinggi tersebut. Prinsip meritrokasi sangat erat dengan keadilan, sehingga dalam penelitian ini untuk mengkaji terpenuhi atau tidaknya sistem seleksi terbuka dalam pengisian jabatan tinggi berkenaan dengan asas-asas dalam keadilan.
Literasi dan Moderasi Keamanan Digital terhadap Kepuasan Penggunaan QRIS di Kota Denpasar: Studi pada Mahasiswa Gen-Z di Denpasar Denanda, Andry Aprillya; Latupeirissa, Jonathan Jacob; Ramadiansyah, Sahri Aflah; Joniarta, I Wayan
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 3 (2025): Agustus - October
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i3.3001

Abstract

Penelitian ini bertujuan untuk mengeksplorasi pengaruh literasi digital dan keamanan digital terhadap tingkat kepuasan pengguna QRIS di kalangan mahasiswa Gen-Z di Kota Denpasar, serta menganalisis peran keamanan digital sebagai variabel moderasi dalam hubungan tersebut. Pendekatan kuantitatif dengan metode survei digunakan untuk memperoleh data dari 108 responden mahasiswa yang dipilih melalui teknik non-probability sampling, yaitu quota dan insidental sampling. Responden yang terlibat berasal dari berbagai kecamatan di Denpasar, dengan rentang usia mayoritas antara 17 hingga 24 tahun dan latar belakang gender yang beragam. Data dikumpulkan secara daring menggunakan kuesioner yang berisi indikator penilaian terhadap literasi digital, persepsi keamanan digital, dan tingkat kepuasan pengguna QRIS. Analisis data dilakukan dengan menggunakan metode Partial Least Squares Structural Equation Modeling (PLS-SEM) melalui perangkat lunak SmartPLS, yang memungkinkan pengujian hubungan kausal sekaligus signifikansi antar variabel. Hasil penelitian menunjukkan bahwa baik literasi digital maupun persepsi keamanan digital memiliki pengaruh positif dan signifikan terhadap kepuasan pengguna QRIS. Sementara itu, keamanan digital tidak terdeteksi berperan sebagai variabel moderasi yang signifikan dalam memperkuat hubungan antara literasi digital dan kepuasan pengguna. Temuan ini menyarankan pentingnya meningkatkan literasi digital dan keamanan layanan secara langsung agar dapat meningkatkan pengalaman dan kepuasan pengguna QRIS. Rekomendasi untuk pengelola platform QRIS adalah memperbaiki aspek teknis, seperti kecepatan transaksi dan stabilitas sistem, sekaligus memperkuat edukasi literasi dan keamanan digital kepada pengguna.
Perempuan Bali dalam Kontestasi Pemilu: Kuantitas vs Kualitas Sucitawathi, I G.A.A. Dewi; Joniarta, I Wayan
Bali Membangun Bali: Jurnal Bappeda Litbang Vol 2 No 1 (2019)
Publisher : Badan Riset dan Inovasi Daerah Provinsi Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51172/jbmb.v2i1.37

Abstract

Women's political participation in the political stage has increased, one of which is due to the creation of the 2003 Election Law which regulates the quota of women legislative candidates at least 30 percent. The emergence of regulations that open wide avenues for women to take part in politics, in fact, is inversely proportional to the conditions of women cadres in Bali. In Bali, women who succeed in sitting in the district / city legislature can be counted by fingers. From the 2004 to 2014 elections, no more than 10 percent of Balinese women succeeded in gaining positions in the regional legislature. The number of Balinese women who participated was relatively large, but after voting (elections), only a few managed to win. So that this raises the phenomenon of Balinese female cadres being only used as a tool to fulfill the quota of political parties without being given the knowledge, motivation and fighting spirit to take careers seriously in the world of practical politics.
Pemerdayaan Masyarakat Dalam Pengolahan Kohe Ayam Sebagai Pupuk Alternatif Pertanian Maju Berkelanjutan Surya Buana, I Gede Eka; Nopia Ramdhani, Riyan; Fauzan, Muhammad; Firmansyah, Maman; Salsabila, Aulivia Nanda; Panesa Aulia, Linda; Alfi Sahrin, Laila; Masintan, Masintan; Laeli, Inayatul; Tira Aulana, Dina; Joniarta, I Wayan
Jurnal Wicara Vol 3 No 3 (2025): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v3i3.6778

Abstract

Darek, Farmers, POC, Socialization, Training. This study emphasizes the importance of community empowerment in the sustainable agriculture sector in Indonesia, particularly by promoting the use of chicken manure (kohe) as an alternative organic fertilizer. With the majority of its population engaged in agriculture, Indonesia faces challenges in food security, exacerbated by the dependence on chemical fertilizers that damage soil quality and environmental health. This study identifies the role of chicken manure in the production of organic fertilizers, specifically liquid organic fertilizer (POC), which contains essential nutrients that exceed those found in cow and goat manure. The aim is to educate local farmers in Darek village on the production and benefits of POC through workshops and training sessions. The project, conducted by students of the University of Mataram, aims to shift farmers’ dependence from chemical fertilizers to organic fertilizers, thereby encouraging sustainable agricultural practices. Initial assessments revealed a significant lack of awareness and interest among local farmers in organic alternatives due to ingrained habits that support chemical use. Following a structured approach that included surveys, expert-led training sessions, and hands-on POC production, the project reported positive responses from 32 participants, validating the need for continued education in sustainable agricultural techniques. The result is a high level of participant understanding of 62.5% and a skill level of 78.2%. The purpose of the activity is to increase farmer awareness of the use of organic fertilizers and promote environmental management in the farming community.
Co-Authors A. D. Catur A.A Alit Triadi A.A. Alit Triadi, A.A. Alit Abdullah Jundi Ade Aprilian Dika Adhi, I.G.A.K.C. Agus Dwi Catur Agus Suroso Ahliwathany Rivaldi Al Buhori, Rashid Ridho Alfandiansyah Muhammad Alfi Sahrin, Laila Aljibran, Aljibran Anak Agung Alit Triadi Anak Agung Alit Triadi Ananda Putra, Yoga Raditya Aprilian Dika, Ade Arif Mulyanto Astiani, Arbiatun Atas Pracoyo Ayu Made Bianca Juarez Bayu Nata Negara Budiana, I Nyoman CATUR ADHI , I GUSTI AGUNG KETUT Chatur Adi W.A., I G.A.K. Chatur Adi.W.A, I.G.A.K Denanda, Andry Aprillya Dewi, Ni Putu Dian Cahayani Surya Dinda Vania Zabrina Rachman Dini Suryaningsih Dodi Setyawan Fani Ladira Farah Najwasyah Farah Najwasyah Febrian Purnama Febriyawan, Gilang Feby Oktavia Fini Laelani Puspitasari Firmansyah, Maman Fitrirayani, Gadis Ariva Fonseca Lopes, Grazelita Harahap, Herpan Syafil Hartana Hartati, Dea Rara Hasyim Kholid Hasan Qorib Hasyim, Hasyim Hendrajid Haerul Putra Hera Rohalia Heri Sulistiyono Hermanto, Koko Herpan Syafil Harahap Huriah Huriah I Dewa Gede Jaya Negara I G.A.K Chatur Adhi W.A. I G.A.K. Chatur Adi W.A. I G.A.K. Chatur Adi W.A. I Gede Bawa Susana I Gusti Ayu Agung Dewi Sucitawathi Pinatih I Gusti Putu Muliarta Aryana I Gusti Putu Muliarta Aryana I K. Wiratama I Kade Wiratama I Kade Wiratama, I Kade I Ketut Perdana Putra I Ketut Wiryajati I Made Adi Sayoga I Made Adi Sayoga I Made Adi Sayoga, I Made I Made Mara I Made Nuarsa I Made Suartika I Made Suartika I Made Suartika I Made Wijana . I Nyoman Merdana I Nyoman Nugraha Ardana Putra I Putu Yuda Pratama I Wayan Suderana I Wayan Yasa I Wayan Yasa, I Wayan I Wayan, Joniarta I.B Alit I.B. Alit I.D.K. Okariawan I.G.A.AG. Dewi Sucitawathi Pinatih I.G.A.K Chatur A.W.A I.G.G.A Dewi Sucitawathi Pinatih I.K Wiratama I.M. Mara I.M. Nuarsa I.M.A Sayoga I.M.A. Sayoga Ida Ayu Sri Adnyani Ida Bagus Alit Ida Bagus Fery Citarsa Ilham Maulana Akbar Intan Tiarani Koli Iswara, I.B.K.T.H. Juleha Juleha Julidio, Alief Jurnal Pepadu Karyawan, I Dewa Made Alit Khairul Amri Laeli, Inayatul Lalu Banu Samudera Latupeirissa, Jonathan Jacob Latupeirissa, Jonathan Jacob Paul Luluk Hariska M Wijana M. Mirmanto, M. M. Wijana M. Wijana, M. Made Mahendra Made Nuarsa, Made Made Wijana Made Wijana Made Wijana Made Wijana, Made Made Wirawan, Made Maharani, Ni Putu Riza Mahendra, Made Masintan, Masintan Melati Budi Srikandi Melinda Ade Kantari Muhamad Renaldi Setiawan Muhamad Renaldi Setiawan Muhamad Renaldi Setiawan Muhammad Arif Fitriyono Muhammad fauzan Muhammad, Baginda Arsyi Mursidin Syaefa N. Nurchayati, N. N. Nurpatria, N. Nabilla Mandalika Nabilla Mandalika Ni Ketut Arniti Ni Ketut Surasni Ni Luh Yulyana Dewi Ni Putu Bayu Widhi Antari Ni Putu Sawitri Nandari Ni Putu Yunita Anggreswari Nopia Ramdhani, Riyan Nora Dery Sofya Nuarsa M Nuning Indah Pratiwi Nur Kaliwantoro Nurchayati Nurchayati Nursina Nursina, Nursina Padang, Y.A. Padmiatmi, Pandri Padmiatmi Panca Sunu Pamungkas Pandri Pandiatmi Panesa Aulia, Linda Paryanto Dwi Setyawan Perdana Putra, I Ketut Permana, Made Bagus Dwi Pinatih, I.G.A.A. Dewi Sucitawathi Purnama, Febrian Putra, Ardi Wijaya Putra, I Ketut Perdana Putri , Sarina Adila Putri Ekaresty Haes Putri, Ghea Sabina Anggia Putu Ratna Juwita Ramadhan, Galang Baruna Rashid Ridho Al Buhori Rashid Ridho Al Buhori Rifki, Lalu Muhammad Riski Hidayah Rizky Fathullah Rohayani, Tri Sari Rudy Sutanto S. Sujita Sabathian Poedjiarso, Benhard Okta Sahri Aflah Ramadiansyah Salsabila, Aulivia Nanda Salwana Islami Samudera Lalu Banu Santosa, Wahyudi Saqinah, Inang Satya Ulumuna Lestari Siti Umrah Sofya, Nora Dery Sony Januarda Sri Maryati Suartika , I Made Suartika M Sucitawathi Pinatih , I Gusti Ayu Agung Dewi Sucitawathi, I G.A.A. Dewi Sujita Darmo Sujita Darmo Sujita, Sujita Sultan Sultan Sultan Sultan Supaerina, Eji Supriono Supriono Surya Buana, I Gede Eka Tiara Dwi Astuti Tiara Dwi Astuti Tira Aulana, Dina Triadi A.A.A Triadi, Anak Agung Alit Usman, Zohimundin Wahyudi Santosa Wayan Widhiastini WAYAN, I WAYAN SUKANIA Widiantari, Githa Nirmala Winda Maliana Hainingsih Wirya Aryadi, I Gusti Agung Ketut Chatur Adhi Yudhyadi, I Gusti Ngurah Ketut Yuliadi Yuliadi Yuliadi Yuliadi Yusron Saadi Yustina Agninoy Jarut Zainuri, Ahmad Zainuri Zohimundin Usman