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Apakah Organizational Justice dan Teamwork Berpengaruh Terhadap Kinerja Melalui Kepuasan Kerja Pada Perusahaan Di Banten? Dewi, Santi Riana; Andari, Andari; Deviyantoro, Deviyantoro; Sukemi, Sukemi
Manajemen dan Kewirausahaan Vol. 5 No. 2 (2024): Manajemen & Kewirausahaan
Publisher : Manajemen FEB Unima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/mk.v5i2.10447

Abstract

Penelitian ini dilatarbelakangi adanya gap antara kinerja yang diharapkan dengan kinerja yang ada pada saat ini. Tujuannya untuk mengetahui ada tidaknya pengaruh antara variabel organizational justice dan teamwork terhadap kinerja dengan kepuasan kerja sebagai variabel intervening. Metode yang digunakan adalah metode kuantitatif dengan pendekatan survey, sampel 52 karyawan diambil dengan teknik sampel jenuh, data diolah menggunakan SPSS 22. Adapun analisis yang digunakan adalah analisis regresi linier berganda, uji determinasi, uji F, uji T, uji validitas, uji reliabilitas, uji normalitas. Hipotesis terdiri dari terdapat pengaruh organizational justice terhadap kepuasan kerja, teamwork terhadap kepuasan kerja, organizational justice terhadap kinerja, teamwork terhadap kinerja, kepuasan kerja terhadap kinerja, pengaruh tidak langsung organizational justice terhadap kinerja, dan pengaruh tidak langsung teamwork terhadap kinerja. Hasil dari penelitian adalah organizational justice berpengaruh langsung terhadap kepuasan kerja, dan teamwork berpengaruh langsung terhadap kepuasan kerja, kepuasan kerja berpengaruh langsung terhadap kinerja, tidak terdapat pengaruh langsung organizational justice terhadap kinerja, teamwork berpengaruh langsung terhadap kinerja, organizational justice berpengaruh secara tidak langsung terhadap kinerja melalui kepuasan kerja, teamwork berpengaruh secara tidak langsung terhadap kinerja melalui kepuasan kerja. Impak penelitian adalah memberikan kontribusi terhadap pengambilan kebijakan dan keputusan manajemen untuk meningkatkan kepuasan kerja dan kinerja karyawan di perusahaan. This research is motivated by the gap between expected performance and current performance. The aim is to determine whether there is an influence between organizational justice and teamwork variables on performance with job satisfaction as an intervening variable. The method used is quantitative with a survey approach, a sample of 52 employees taken using the total sampling technique, and data processed using SPSS 22. The analysis used is multiple linear regression analysis, determination test, F-test, T-test, validity test, reliability test, and normality test. The hypothesis consists of the influence of organizational justice on job satisfaction, teamwork on job satisfaction, organizational justice on performance, teamwork on performance, job satisfaction on performance, indirect influence of organizational justice on performance, and indirect influence of teamwork on performance. The results of the study are that organizational justice has a direct effect on job satisfaction, and teamwork has a direct effect on job satisfaction, job satisfaction has a direct effect on performance, there is no direct influence of organizational justice on performance, teamwork has a direct effect on performance, organizational justice has an indirect effect on performance through job satisfaction, teamwork has an indirect effect on performance through job satisfaction. The impact of the research is that it can contribute to policy-making, and management decisions to improve employee job satisfaction and performance in the company.
Effectiveness of the Reading, Answering, Discussing, Explaining, and Creating (RADEC) Learning Model in Improving High School Students' Critical Thinking Skills on Colloid Material Fatimah, Neni Hasnah; Usman, Usman; Sukemi, Sukemi
Jambura Journal of Educational Chemistry Vol 6, No 2 (2024): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v6i2.25989

Abstract

Students need to be able to think critically in order to meet the challenges of the 21st century. Be that as it may, the decisive reasoning abilities of understudies are still somewhat low. The RADEC model is a learning model that can aid in the development of critical thinking abilities. The goal of this study is to find out how well the RADEC model helps students in high school think critically about colloidal materials. This study employs experimental, quantitative research techniques. The populace is all understudies in class XI MIPA at SMAN 5 Samarinda. The examples were understudies from class XI MIPA 2 and XI MIPA 4 at SMAN 5 Samarinda, adding up to 75 individuals. The exploration test was chosen utilizing a group irregular inspecting strategy. One-group pre-test post-test design was utilized in the research design. Information assortment involves tests as pre-tests and post-tests, educator and understudy movement perception sheets, and understudy reaction surveys. Statistical tests were conducted first, including the N-Gain test and the effect size test, for data analysis. According to the findings of the research, the RADEC model meets the effective criteria in terms of students' responses to learning based on the RADEC learning model and their increased critical thinking abilities. The findings of the research lead us to the conclusion that the RADEC model works to improve students' critical thinking abilities.
Analysis of Argument-Driven Inquiry Activity in Chemistry Textbooks Widiyowati, Iis Intan; Arif, Ainun Rezkiva; Sukemi, Sukemi
Jurnal Tadris Kimiya Vol 8 No 2 (2023)
Publisher : Department of Chemistry Education, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/jtk.v8i2.21243

Abstract

Argument-Driven Inquiry (ADI) in science learning can improve students' argumentation skills and understanding of concepts. In the textbooks, it is important to have ADI activities inside. This research aims to analyze ADI activities in the high school chemistry textbook Revised Curriculum 2013. This research used nine indicators of ADI activities: questions, evidence, student explanation, scientific theories, argumentation, communication and justification, analysis, connection, investigation report, and reflection. The research method used a descriptive instrument as an analysis sheet prepared based on ADI activities. Data was collected using documentation techniques and data analysis using content analysis of ADI activities. The results showed that the reliability test of the data obtained was 0.94 in the very good category. The ADI activity most found in textbooks is evidence activity, with a percentage of 31.25 Meanwhile, the textbook needs to explain question and answer and reflection activities. The textbook needs to increase ADI activities that support student-centered learning and teaching.
LITERATURE REVIEW: PENGGUNAAN APLIKASI BERBASIS ANDROID UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS SISWA SMA PADA PEMBELAJARAN KIMIA Carunisa, Chofifah; Iriyanti, Novia Dwi; Purwita, Rahmadina; Sukemi, Sukemi; Angraini, Zihan Nur
CHEDS: Journal of Chemistry, Education, and Science Vol 7, No 2 (2023)
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/cheds.v7i2.8473

Abstract

Peningkatan kemampuan berpikir kritis dalam pembelajaran merupakan salah satu variabel pendukung efektifitas suatu proses pembelajaran. Pemanfaatan media pembelajaran berbasis Android telah muncul sebagai pilihan pendidikan yang menarik. Keterampilan berpikir kritis siswa SMA pada pembelajaran kimia memanfaatkan aplikasi berbasis Android dibahas dalam tinjauan pustaka ini. Metode naratif literatur review digunakan dalam penelitian ini untuk menganalisis berbagai sumber literatur terkait keterampilan berpikir kritis dengan menggunakan media pembelajaran berbasis Android. Hasil penelitian ini menunjukkan bahwa materi pembelajaran berbasis Android dapat meningkatkan kemampuan berpikir kritis pada disiplin ilmu kimia.
Sintesis, Molecular Docking dan Aktivitas Sitotoksik Senyawa Analog Kalkon Berbasis Alfa Tetralone terhadap Sel Kanker Payudara MCF-7: Synthesis, Molecular Docking, and Cytotoxic Activity of Alpha Tetralone Based Chalcone Analogue Compounds against MCF-7 Breast Cancer Cells Rahmadani, Agung; Tasya, Indriana; Lestari, Wahyu Yunita; Kadir, Nurdianah Abdul; Saputri, Mitha; Erika, Farah; Usman, Usman; Sukemi, Sukemi; Arifian, Hanggara; Salam, Supriatno; Herman, Herman; Rijai, Laode
Jurnal Sains dan Kesehatan Vol. 6 No. 1 (2024): J. Sains Kes.
Publisher : Fakultas Farmasi, Universitas Mulawarman, Samarinda, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25026/jsk.v6i1.2092

Abstract

The chalcone compound is a precursor of flavonoid and pyrazoline compounds. Chalcone has two aromatic rings (A and B) and one ?,?-unsaturated carbon atom. Chalcone compounds can be synthesized via the Claisen Schmidt condensation reaction. Chalcone synthesis uses the basic ingredients of alpha tetralone and benzaldehyde analogues. In this research, chalcone synthesis took place for 48 hours at room temperature. Synthetic materials using ethanol solvent and sodium hydroxide catalyst, as well as basic ingredients alpha tetralone, 3,4-dimethoxybenzaldehyde and 4-methoxybenzaldehyde. Characterization of synthesized compounds using spectroscopic methods, including 1H-NMR, 13C-NMR, Fourier Transform Infrared (FTIR) and mass spectroscopy. Characterization results using spectroscopic methods showed that the two chalcone analogue compounds were successfully synthesized with yields above 70%. Both chalcone compounds showed low activity against MCF-7 cancer cells. Molecular docking simulations showed that both chalcone analogues produced energy levels and intramolecular interactions that were no better than 4-hydroxytamoxifen. Keywords:          chalcone analogues, alpha tetralone, cytotoxic   Abstrak Senyawa kalkon merupakan salah satu prekursor dari senyawa flavonoid dan pirazolina. Kalkon mengandung dua cincin aromatis (A dan B) dan satu atom karbon ?,?-tak jenuh. Senyawa kalkon dapat disintesis melalui reaksi kondensasi Claisen Schmidt. Kalkon disintesis menggunakan bahan dasar alfa tetralone dan analog benzaldehida. Dalam penelitian ini senyawa kalkon disintesis selama 48 jam pada suhu ruang menggunakan pelarut etanol dan katalis natrium hidroksida serta bahan dasar alfa tetralone, 3,4-dimetoksibenzaldehida dan 4-metoksibenzaldehida.  Senyawa hasil sintesis dikarakterisasi menggunakan metode spektroskopi meliputi 1H-NMR, 13C-NMR, Fourier Transform Infrared (FTIR) dan spektroskopi massa. Karakterisasi menggunakan metode spektroskopi menunjukkan kedua senyawa analog kalkon berhasil disintesis dengan rendemen diatas 70%. Hasil pengujian sitotoksik menunjukkan bahwa kedua senyawa analog kalkon tidak aktif terhadap sel kanker payudara MCF-7. Simulasi penambatan molekuler menunjukkan bahwa kedua analog kalkon menghasilkan tingkat energi dan interaksi intramolekuler yang tidak lebih baik dibandingkan dengan 4-hidroksitamoksifen. Kata Kunci:         analog kalkon, alfa tetralone, sitotoksik
A Comparison of Students' Perceptions of Chemistry Learning via Google Classroom, E-Learning Madrasah, and Discord Anggraeni, Egi Syahrah; Rindoi, Muhamad; Saputri, Deveronica Karning; Prasiwi, Dinar; Lestari, Sri; Sukemi, Sukemi
Journal of Educational Sciences Vol. 9 No. 6 (2025): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.9.6.p.5833-5850

Abstract

Online learning non face-to-face interaction can be effectively supported by learning management systems (LMS) such as Google Classroom, E-learning Madrasah, and Discord. This study aims to determine the differences in students' perceptions about chemistry learning via Google Classroom, E-learning Madrasah, and Discord. The perceptions measured include aspects of ease of access, benefits, communication and interaction, instruction delivery, and student satisfaction. This research is a retrospective comparative quantitative study, involving 68 students from SMAN 2 Samarinda (Google Classroom), 73 students from MAN 1 Samarinda (E-Learning Madrasah), and 74 students from SMAN 13 Samarinda (Discord) as sample. Data were collected via documentation and analyzed used the Kruskal-Wallis and Dunn's Post-hoc tests. The Kruskal-Wallis test revealed a significant difference in perceptions (0.003<0.05). Dunn’s post-hoc analysis indicated significant differences between Google Classroom and E-Learning Madrasah (sig. <0.001) and between Google Classroom and Discord (sig. 0.041), but there was no significant difference between E-learning Madrasah and Discord. Overall, students' perceptions of chemistry learning using Google Classroom were better than using E-learning Madrasah and Discord.
Apakah Organizational Justice dan Teamwork Berpengaruh Terhadap Kinerja Melalui Kepuasan Kerja Pada Perusahaan Di Banten? Dewi, Santi Riana; Andari, Andari; Deviyantoro, Deviyantoro; Sukemi, Sukemi
Manajemen dan Kewirausahaan Vol. 5 No. 2 (2024): Manajemen Kewirausahaan
Publisher : Manajemen FEB Unima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/mk.v5i2.10447

Abstract

Penelitian ini dilatarbelakangi adanya gap< em> antara kinerja yang diharapkan dengan kinerja yang ada pada saat ini Tujuannya untuk mengetahui ada tidaknya pengaruh antara variabel organizational justice< em> dan teamwork< em> terhadap kinerja dengan kepuasan kerja sebagai variabel intervening Metode yang digunakan adalah metode kuantitatif dengan pendekatan survey sampel 52 karyawan diambil dengan teknik sampel jenuh data diolah menggunakan SPSS 22 Adapun analisis yang digunakan adalah analisis regresi linier berganda uji determinasi uji F uji T uji validitas uji reliabilitas uji normalitas Hipotesis terdiri dari terdapat pengaruh organizational justice< em> terhadap kepuasan kerja teamwork< em> terhadap kepuasan kerja organizational justice< em> terhadap kinerja teamwork< em> terhadap kinerja kepuasan kerja terhadap kinerja pengaruh tidak langsung organizational justice< em> terhadap kinerja dan pengaruh tidak langsung teamwork< em> terhadap kinerja Hasil dari penelitian adalah organizational justice< em> berpengaruh langsung terhadap kepuasan kerja dan teamwork< em> berpengaruh langsung terhadap kepuasan kerja kepuasan kerja berpengaruh langsung terhadap kinerja tidak terdapat pengaruh langsung organizational justice< em> terhadap kinerja teamwork< em> berpengaruh langsung terhadap kinerja organizational justice< em> berpengaruh secara tidak langsung terhadap kinerja melalui kepuasan kerja teamwork< em> berpengaruh secara tidak langsung terhadap kinerja melalui kepuasan kerja Impak penelitian adalah memberikan kontribusi terhadap pengambilan kebijakan dan keputusan manajemen untuk meningkatkan kepuasan kerja dan kinerja karyawan di perusahaan < p> This research is motivated by the gap between expected performance and current performance The aim is to determine whether there is an influence between organizational justice and teamwork variables on performance with job satisfaction as an intervening variable The method used is quantitative with a survey approach a sample of 52 employees taken using the total sampling technique and data processed using SPSS 22 The analysis used is multiple linear regression analysis determination test F test T test validity test reliability test and normality test The hypothesis consists of the influence of organizational justice on job satisfaction teamwork on job satisfaction organizational justice on performance teamwork on < em>performance job satisfaction on performance indirect influence of organizational justice on performance and indirect influence of teamwork on performance The results of the study are that organizational justice has a direct effect on job satisfaction and teamwork has a direct effect on job satisfaction job satisfaction has a direct effect on performance there is no direct influence of organizational justice on performance teamwork has a direct effect on performance organizational justice has an indirect effect on performance through job satisfaction teamwork has an indirect effect on performance through job satisfaction The impact of the research is that it can contribute to policy making and management decisions to improve employee job satisfaction and performance in the company < em>< p>
Analisis Penerapan Sistem Informasi Manajemen (SIM) Dan Kebijakan Umum Tata Ruang Dalam Meningkatkan Pertumbuhan Ekonomi Di Kabupaten Purwakarta Puspasari, Dewi Puspasari; Sukemi, Sukemi; Ismali, Dicky Taopik Ismali
DFAME Digital Financial Accounting Management Economics Journal Vol 3 No 3 (2025): AGUSTUS
Publisher : Awatara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61434/dfame.v3i3.320

Abstract

This research aims to analyze the Application of Management Information Systems and General Spatial Planning Policies in Increasing Economic Growth in Purwakarta Regency. This research uses descriptive qualitative methods. The data sources in this research were obtained from field observations, interviews with sources and existing documentation. This research data analysis method uses data triangulation, the researcher combines data from observations, interviews and documentation and then makes conclusions. The research findings show that the implementation of the management information system in Purwakarta district is quite effective and efficient, although there are still several obstacles, but they can be overcome with the solutions offered. The description of spatial planning policies in Purwakarta district itself is in accordance with the characteristics and potential that exist in each region. Economic growth in Purwakarta district has increased every year in a better direction, even though in 2020-2021 it was hit by the Covid-19 pandemic, but economic conditions in Purwakarta district have returned to stability to date. 
Fleksibilitas Tempat Kerja dan Komunikasi Internal dengan Mediasi Kreativitas Karyawan terhadap Efektivitas Pemasaran Media di dalam UMKM Rahmatullah, Agung Nugraha; Sukemi, Sukemi
DFAME Digital Financial Accounting Management Economics Journal Vol 4 No 1 (2026): FEBRUARI
Publisher : Awatara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61434/dfame.v4i1.331

Abstract

This study investigates the effects of workplace flexibility and internal communication on marketing effectiveness through employee creativity in micro, small, and medium-sized enterprises (MSMEs). Using a quantitative approach, data were collected from 370 employees of MSMEs in Purwakarta, Indonesia, who are actively involved in marketing-related activities. Structural Equation Modeling with Partial Least Squares (SEM-PLS) was applied to test the proposed relationships. The results show that workplace flexibility has a significant positive effect on employee creativity, and internal communication also significantly enhances creative behavior. Employee creativity is found to positively influence marketing effectiveness, indicating that creative engagement is essential for achieving effective marketing outcomes. Furthermore, employee creativity mediates the relationships between workplace flexibility and marketing effectiveness, as well as between internal communication and marketing effectiveness. These findings suggest that organizational practices shape market performance through behavioral mechanisms. The study contributes to creativity and marketing literature by integrating internal organizational factors with external performance outcomes. Practically, the results provide guidance for MSME managers in designing flexible and communicative work environments to strengthen creative capacity and improve marketing effectiveness.
Ketahanan Karyawan dan Kesiapan Berubah dengan Mediasi Pola Pikir Digital terhadap Efektivitas Pemasaran Omnichannel di Seluruh UMKM Aming, Aming; Sukemi, Sukemi
DFAME Digital Financial Accounting Management Economics Journal Vol 4 No 2 (2026): MEI
Publisher : Awatara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61434/dfame.v4i2.356

Abstract

This study investigates the influence of employee resilience and change readiness on omnichannel marketing effectiveness through the mediating role of digital mindset among Micro, Small, and Medium Enterprises (MSMEs) in Purwakarta, Indonesia. Grounded in Digital Mindset Theory, the research examines how employee adaptability and preparedness for organizational change contribute to marketing performance in increasingly digital business environments. A quantitative approach was employed using a cross-sectional survey design. Data were collected from 342 MSME owners, managers, and employees involved in marketing and customer engagement activities. The data were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The findings reveal that employee resilience significantly enhances digital mindset. Change readiness also demonstrates a positive and significant influence on digital mindset. Furthermore, digital mindset positively affects omnichannel marketing effectiveness. The mediation analysis confirms that digital mindset significantly mediates the relationships between employee resilience and omnichannel marketing effectiveness as well as between change readiness and omnichannel marketing effectiveness. These results highlight the critical role of digital mindset in transforming employee psychological capabilities into superior marketing outcomes. The study contributes to the literature on digital transformation and omnichannel marketing by providing empirical evidence from the MSME context and offers practical implications for strengthening organizational competitiveness through employee-centered digital adaptation strategies.
Co-Authors Abunoya, Juleha Ilfri Ade Iriani Sapitri Ade Iriani Sapitri Adha, Syahida Agustina, Reny Agustini, Meily P Ahmad Fali Oklilas Aidil Putrasyah Akbar, M. Agung Alexander Edo Tondas Aming, Aming Andari Andari, Andari Andre Hardoni Anggraeni, Egi Syahrah Anggun Islami Angraini, Zihan Nur Apriansyah Putra Aprilisa, Shinta Arif, Ainun Rezkiva Arifian, Hanggara Arni Arni Awaliyah, Nabilah Nailah Ayu Meida Bambang Tutuko Bengawan Alfaresi Cahyadi, Gabriel Ekoputra Hartono Carunisa, Chofifah Darmawahyuni, Annisa Defi Telly Krisnawaty Palingu, Defi Telly Krisnawaty Deviyantoro, Deviyantoro Dewi Puspasari Dian Oktavian Dian Palupi Dian Palupi Rini Dian Palupi Rini Dian Palupi Rini Dian Palupi Rini Dwi Saputri, Rindiani Elza Fitriana Saraswita Endy Suherman Enos Tangke Arung, Enos Tangke Ermatita - Erwin, Erwin Evi Purnamasari Fadhilah Dirayati Fadhilah Dirayati Fadhilah Dirayati Fadjri, Luthfi Talitha Fairuzy Faisal Fajri Faisal Fajri Fajri, Faisal Farah Erika Farah, Harra Ismi Fatimah, Neni Hasnah Febriani, Sarah Ferlian Seftianto Firdaus Firdaus Fitriah Khoirunnisa Gabriel Ekoputra H.C Gizcha Putri Destriana Gunawan, Rony Hadipurnama Satria Hamid Rahman Hardiman Hardiman Hartandi, Dimas Hatta Efrizal Herliani Herliani Hikmatul Rabiah, Nasya Huda Ubaya Ida Sriyanti Iis Intan Widiyowati Indah Nuraini, Indah Irfan, Ade Iriyanti, Novia Dwi Irmawati Irmawati Ishmah, Rismananda Ismali, Dicky Taopik Ismali Jaidan Jauhari Johannes Petrus Joko Purnomo Joko Purnomo Jordan Marcelino Kadir, Nurdianah Abdul Kusumattaqiin, Fataa Laode Rijai Larasati, Herlin Alfiana Lestari, Wahyu Yunita Lia Andiani Lia Andiani M. Fachrurrozi . M. Naufal Rachmatullah Mahmudah, Sofia Maqom Al Mardian, Yessi Maulida Marlina Sylvia Megah Mulya Meily P Agustini Muhammad Azrell Samudra Muhammad Naufal Rachmatullah Muhammad Ridwansyah Muhammad Wahyu Fadli Nadia Nadia Norbaiti, Norbaiti Nur Aliah, Nur Nurfitriani, Ditalia Nursilawati, Nursilawati Octaria, Orissa Olii, Nova Yunita Putri Pakaenoni, Frederich Pandito Dewa Putra Parwito Prasiwi, Dinar Pratama, Yogi Tiara Purwita, Rahmadina Putri, Noni Khaisha Rahmadani, Agung Rahmatullah, Agung Nugraha Ratna Kusumawardani, Ratna Rendy Isdwanta Rifkie Primartha Rifkie Primartha Rindoi, Muhamad Rindoi, Muhammad Riyanto Riyanto RR. Ella Evrita Hestiandari Salam, Supriatno Samsuryadi Samsuryadi Samsyuryadi Samsyuryadi Samsyuryadi Samsyuryadi Sandhira, Aura Chrismania Santi Riana Dewi, Santi Riana Saputri, Deveronica Karning Saputri, Mitha Sari, Eadvin Rosrinda Awang Siti Mariah, Siti Siti Nurmaini Sitti Rahma, Sitti Sobirin Sobirin Suniyati, Suniyati Syamsiar, Syamsiar Tasya, Indriana Turista, Dora Dayu Rahma Usman Usman Wati, Della Syaras Watulingas, Maasje C. Wirhanuddin, Wirhanuddin Yogi Tiara Pratama Yogi Tiara Pratama Yudha Pratomo Yulianti, Evi Yusa Virginiawan Guntara Zainuddin Nawawi