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Johan Johan
Binus University
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Menciptakan Collaborative Learning Guru dan Peserta Didik Melalui Aplikasi Padlet Pada Sekolah Menengah Atas Pekanbaru Jollyta, Deny; Nasien, Dewi; Nora Marlim, Yulvia; Gustientiedina, Gustientiedina; Adiya, M. Hasmil; Mukhsin, Mukhsin; Rahmadian Yuliendi, Rangga; Kamal, Ahmad; Hajjah, Alyauma; Johan, Johan
Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Vol 8, No 2 (2025): April 2025
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurdimas.v8i2.3682

Abstract

Collaborative Learning requires teachers and students to maintain an engaging learning environment at all times. Problems emerge when teachers, notably high school teachers in Pekanbaru, employ learning material that do not support this. Teachers' creativity is pushed to constantly update how they present materials and evaluate students' knowledge in order to foster a collaborative and pleasurable learning environment. This community service project will help Pekanbaru high school instructors create collaborative and real-time learning tools. The Community Service Team employed an observation strategy to get a sense of learning at Santa Maria High School, which served as an example school. The proposed solution is technologically based, making use of the Padlet application. The Community Service Team offers training methods on smartphones and computers to help people grasp Padlet. The community effort resulted in a polished Padlet that teachers may use to study with students at any time. It is intended that studying using the Padlet application would boost teacher innovation and student learning results at Santa Maria High School, as well as high schools around Pekanbaru.Keywords: Teacher; padlet; collaborative learning; learners;SMA. Abstrak: Pembelajaran Kolaboratif (Collaborative Learning) mengarahkan guru dan peserta didik dalam suasana belajar yang interaktif setiap saat. Permasalahan muncul pada saat media pembelajaran yang digunakan guru tidak mendukung hal tersebut, termasuk guru-guru Sekolah Menengah Atas (SMA) di Pekanbaru. Kreativitas guru ditantang untuk selalu memperbaharui cara penyampaian materi, cara mengevaluasi pemahaman peserta didik hingga penilaian, demi terciptanya suasana belajar yang kolaboratif dan menyenangkan. Kegiatan pengabdian ini bertujuan untuk membantu guru SMA di Pekanbaru dalam mempersiapkan bahan pembelajaran yang kolaboratif dan real time. Tim Pengabdian melakukan metode observasi untuk mendapatkan gambaran pembelajaran melalui SMA Santa Maria yang dijadikan sebagai sekolah sampel. Metode yang diusulkan berbasis teknologi melalui pemanfaatan aplikasi Padlet. Untuk memudahkan pemahaman Padlet, Tim Pengabdian menggunakan metode pelatihan, baik melalui komputer maupun smartphone. Hasil pengabdian adalah Padlet jadi yang dapat digunakan guru dalam pembelajaran bersama peserta didik setiap waktu. Diharapkan pembelajaran melalui aplikasi Padlet mampu meningkatkan kreativitas guru dan hasil belajar peserta didik SMA Santa Maria khususnya dan SMA di Pekanbaru umumnya.Kata kunci: guru; padlet; pembelajaran kolaboratif; peserta didik; SMA.
RELIABILITAS DAN KEUNIKAN INJIL SINOPTIK Johan, Johan; Fransiska, Ni Nyoman
Jurnal Penggerak Vol. 6 No. 1 (2024): Juni
Publisher : Sekolah Tinggi Teologi Injili Indonesia Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62042/jtp.v6i1.83

Abstract

The Synoptic Gospels are very interesting books because they have the same story about the person of Jesus Christ. And it's even more interesting because the story of Jesus is told with the same story. There's almost no difference. This is meant because each Gospel writer has a different intention and also addresses it differently. This writing uses qualitative methods using library research methods, namely using the Bible, dictionaries, commentaries and journals, which relate to discussions in the author's scientific work. Researchers also use an exegetical approach through the application of hermeneutic principles and methods. Thus, the research results found that the synoptic gospels were written for different addresses and purposes according to the situation of the congregation. And this gospel also conveys God's will for His people in the church today.
EKSEGESE MAZMUR 58:1-12 DALAM PERSPEKTIF TEGURAN PROFETIK DAN KEADILAN SOSIAL DI INDONESIA MASA KINI Sumardi, Sumardi; Johan, Johan
Jurnal Penggerak Vol. 7 No. 1 (2025): Juni
Publisher : Sekolah Tinggi Teologi Injili Indonesia Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62042/jtp.v7i1.109

Abstract

Psalm 58:1-12 is one of the imprecatory psalms that contains a strong rebuke against structural injustice committed by leaders. In the context of contemporary Indonesia, issues such as corruption, social inequality, and discrimination are still serious challenges that require a theological-biblical approach for understanding and solutions. This study aims to be a prophetic rebuke against injustice and explore the theological perspective of the struggle against inequality and corruption. This study uses an exegetical approach with textual criticism methods, semantic analysis, and morphology by referring to the views of experts such as Hans-Joachim Kraus, Walter Brueggemann, and Artur Weiser. The results of this study are that Psalm 58 condemns structural injustice committed by leaders and calls for divine retribution for inequality that damages the social order. In the context of Indonesia, this psalm provides a theological framework to criticize the phenomena of corruption, social inequality, and discrimination. Psalm 58:1-12 remains relevant as a source of theological inspiration in the struggle against contemporary injustice.
Homomorphic Encryption & Confidential Computing: Teknologi untuk Perlindungan Data dalam Pemrosesan Terenkripsi Johan, Johan; Suwandhi, Albert; Jimmy, Jimmy; Simanihuruk, Tiarma; Benny, Benny
Jurnal Minfo Polgan Vol. 14 No. 1 (2025): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v14i1.14792

Abstract

Dalam lingkungan komputasi terdistribusi dan kolaboratif, kerahasiaan data selama pemrosesan menjadi tantangan kritis. Homomorphic Encryption (HE) dan Confidential Computing (CC) menawarkan solusi inovatif untuk melindungi data in-use (saat diproses). HE memungkinkan komputasi langsung pada data terenkripsi, sementara CC mengisolasi data dalam lingkungan eksekusi tepercaya (Trusted Execution Environment/TEE). Jurnal ini menganalisis prinsip kerja, aplikasi praktis, kelebihan, keterbatasan, serta integrasi kedua teknologi untuk keamanan berlapis. Dilengkapi dengan studi kasus, diagram alur, dan tren riset terkini, jurnal ini menjadi panduan komprehensif bagi peneliti dan praktisi keamanan data.
Transfer Learning Model Evaluation on CNN Algorithm: Indonesian Sign Language System (SIBI) Jollyta, Deny; Prihandoko, Prihandoko; Johan, Johan; Ramdhan, William; Santoso, Erick
Journal of Applied Business and Technology Vol. 6 No. 2 (2025): Journal of Applied Business and Technology
Publisher : Institut Bisnis dan Teknologi Pelita Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35145/jabt.v6i2.213

Abstract

In Indonesia as much as elsewhere, the deaf can communicate using sign language. The Indonesian Sign Language System (SIBI) is one of the sign language systems used in Indonesia. A model produced by the Convolutional Neural Network (CNN) method can be used in computer science for the recognition of sign language. By using the Transfer Learning paradigm, CNN's performance may be enhanced. However, not many researches have been conducted to assess the effectiveness of transfer learning on sign language models, particularly those that use the TensorFlow library. In fact, the evaluation results can influence the selection of the transfer learning model together with CNN. This study aims to evaluate the efficacy of using the CNN model for SIBI sign language through Transfer Learning. The data used are images of 24 SIBI alphabets and are processed through the TensorFlow library. The images will be recognized through the transfer learning performance of 6 models, namely VGG16, VGG19, Resnet50, Desenet121, Inception-V3 and MobileNet-V2. The results of the study found that through the TensorFlow library, Mobilenetv2 had the highest accuracy of 78% after 20 epochs.
The Function and Role of Chinese Language in the Import Business of Goods at PT Anson Ratu Bakindo Johan, Johan; Annie, Annie; Fawnia, Pretty; Ivana, Ivana; Jessy, Jessy
Jurnal Indonesia Sosial Sains Vol. 6 No. 7 (2025): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jiss.v6i7.1752

Abstract

Mandarin is currently significant in global commerce, particularly in the import sector, where it involves collaboration with Chinese trading partners. As one of the world’s leading exporters, proficiency in Mandarin is a key advantage for businesses aiming to broaden their market presence and ensure efficient import operations. This research aims to thoroughly examine how the function and role of the Mandarin language are utilized in the operational aspects of PT Anson Ratu Bakindo, including communication and negotiation processes, document management, and the maintenance of business relationships with Chinese suppliers. Through interviews and observations with the owner and employees at PT Anson Ratu Bakindo, it was found that the use of Mandarin directly enhances communication effectiveness, reduces language misunderstandings, and accelerates transaction processes. The results of this study indicate that if the company’s owner and purchasing department staff at PT Anson Ratu Bakindo possess fluent Mandarin language skills, daily operations can be conducted effectively without misunderstandings, such as incorrect types or quantities of delivered goods. Therefore, Mandarin language training for employees at PT Anson Ratu Bakindo, as well as recruiting staff with Mandarin proficiency, is recommended as part of the human resources development strategy and international business expansion. In conclusion, the Mandarin language not only serves as a medium of communication but also as a supporting factor for success in the import business.
FAKTOR-FAKTOR YANG MEMENGARUHI RETURN SAHAM Johan, Johan; Suhendah, Rousilita; Daryatno, Andreas Bambang
Jurnal Paradigma Akuntansi Vol. 7 No. 3 (2025): Juli 2025
Publisher : Fakultas Ekonomi, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jpa.v7i3.34390

Abstract

This study aims to obtain empirical evidence on effects of covid-19, price volatility, and stocks liquidity on stocks return of index LQ45 companies listed on the Indonesian Stock Exchange during 2020 period with a sample of 45 companies after going through the method. purposive sampling. Data processing uses multiple regression analysis helped by Eviews 11 and Microsoft Excel 2016. The results of this study indicate that covid-19 has a significant negative effect on stocks return, while price volatility and stocks liquidity have significant positive effect on stocks return. The implication of this research is need to increase price volatility and stocks liquidity for company that will increase the stocks return which will bring a good signal for investors.
Utilizing Deep Reinforcement Learning, EGO-Swarm Parameter Control determines the path of the drone Bombongan, Conrad; Selamat, Tanda; Johan, Johan; Waisen, Waisen
Jurnal Minfo Polgan Vol. 13 No. 1 (2024): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v13i1.13489

Abstract

The recent attention garnered by the EGO-Swarm system is due to its successful generation of smooth drone flight paths in complex real-world environments. Among the various parameter values utilized by EGO-Swarm for path generation, the maximum speed and maximum acceleration of the drone play a critical role in enhancing flight performance. However, in the current EGO-Swarm setup, these parameter values remain fixed during path creation, despite the potential need for real-time adjustments in dynamic environments. Therefore, there is a need to dynamically adapt these values to the evolving real-time environment. This paper proposes a novel algorithm that dynamically adjusts the maximum speed and maximum acceleration using hierarchical deep reinforcement learning in response to real-time environmental changes. To assess the effectiveness of the proposed method, a comparative experiment is conducted between the existing EGO-Swarm algorithm and the proposed algorithm in a ROS simulation. The experimental results reveal that the proposed algorithm surpasses the existing EGO-Swarm algorithm in terms of average speed improvement and path length.(Zhou et al., 2021)
Pemberdayaan kesehatan masyarakat Desa Gunung Manik Melalui Potensi Desa Budidaya Madu: Empowerment of community health in Gunung Manik Village through the Village Potential of Cultivating Honey Kunaedi, Aan; Lestari, Trisna; Johan, Johan; Utami, Arie Susetio; Prasetyo, Tri Budi; Andriana, Andriana; Angela, Elva
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 8 No. 6 (2023): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v8i6.5412

Abstract

The abundant natural potential of Gunung Manik has not been optimally utilized. The support of the village apparatus to continue to improve village welfare makes the development of villages and residents quite fast in receiving positive information from outside. Natural potential can be further optimized, one of which is by developing honey cultivation, which has great potential with the support of available natural resource conditions. Activities are carried out using counseling methods and interactive directly to measure the level of pre-activity knowledge and understanding in the people of Gunung Manik Village, descriptive material presentation through interactive so that the implementation of activities is more active and avoids boredom. The results of the activity can be seen from increasing community insight into health, That is benefits of honey on health and the enthusiasm of community for honey cultivation as an effort to improve the economy and health of the people of Gunung Manik Village, Ciniru Kuningan.
Meningkatkan Minat pada Profesi Data Analyst di Indonesia: Pendekatan Analytical Hierarchy Process Suwandhi, Albert; Johan, Johan; Jimmy, Jimmy; Benny, Benny
Jurnal Minfo Polgan Vol. 13 No. 2 (2024): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v13i2.14492

Abstract

Profesi data analyst di Indonesia masih tergolong langka meskipun sangat dibutuhkan. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor yang memengaruhi minat terhadap profesi ini dan alasan mengapa profesi ini kurang diminati. Metode yang digunakan adalah deskriptif kuantitatif dengan pendekatan Analytical Hierarchy Process (AHP) menggunakan aplikasi Expert Choice. Hasil penelitian menunjukkan bahwa faktor utama yang memengaruhi minat adalah kesenjangan keterampilan (skill gap) dan kurangnya pelatihan yang memadai. Rekomendasi diberikan kepada pemerintah, institusi pendidikan, dan perusahaan untuk mengatasi kendala ini guna meningkatkan jumlah data analyst yang kompeten di Indonesia.
Co-Authors Aan Kunaedi Achmad Tavip Junaedi Adi Cifriadi, Adi Adiya, M. Hasmil ahmad kamal, ahmad Al Juhani, Amani Ahmed Sulaiman Alyauma Hajjah Amirullah, Gufron Angela, Elva Anizar Indriani Annie, Annie Anwar, Azwar Apiani, Desi Indah Nur Apsiswanto, Untoro Ari Yulistianingsih Asep Handaya Saputra Asmaul Husna Basuki, Sucipto Benny Benny Bombongan, Conrad Bunyamin Bunyamin Cahya Kumoro, Dwi Ferdyatmoko Dadi R. Maspanger, Dadi Daryatno, Andreas Bambang Deny Jollyta Dewi Nasien Dwi Oktarina Erick Santoso EVELYN EVELYN Fauzan Azim Fawnia, Pretty Fransiska, Ni Nyoman Goestjahjanti, Francisca Sestri Gusman, Tania Avianda Gusrianty, Gusrianty Gusrio Tendra Gustientiedina Handojo, Winata Harijanto Pangestu, Harijanto Harsono, Axsel Hasna, Shoftwatun Hasna, Shofwatun Hendra Hendra Hernimawati Hernimawati Himmy”™azz, Istajib Kulla Indah Nastiti, Tashia Islami, Farina Istajib Kulla Himmy’azz Ivana, Ivana Jaka Suwita Jessica Jessica Jessy, Jessy Jimmy Jimmy Joe, Yusmin Kadir, Muhammad Jurhadi Karnawi Kamar, Karnawi Kumoro, Dwi Ferdiyatmoko Cahya Lena, Natal Lestari, Trisna Liawatimena, S. Marlim, Yulvia Nora Mia Amalia Muharni, Sita Muslem R, Imam Nastiti, Tashia Indah Nicholas Renaldo Noerlina Noerlina, Noerlina Novi Taufiq Firdaus, Asep Nurasiah Nurasiah Pawangsari, Khometa Prihandoko Prihandoko Putra, Jati Rahmadian Yuliendi, Rangga Ramdhan, William Rasbawati, Rasbawati Ratna Dewi Risky Setiawan Robby, Robby Rousilita Suhendah Santoso, Alexander Halim Selamat, Selamat Selamat, Tanda Setijo Bismo Siddik, Muhammad Sintha Wahjusaputri Sintha Wahjusaputri, Sintha Solihah, Khoridatus Solly Aryza SUDARYANTO SUDARYANTO Sugianto Sugianto Sumardi . Surya Dailiati Susanto, Yokie Suwandhi, Albert Tarigan, Lisda Wati Br Tiarma Simanihuruk Torkis Nasution Trisolvena, Muhammad Nana Tuti Indah Sari, Tuti Indah Unung Verawardina, Unung Utami, Arie Susetio Wahyu Joni Kurniawan, Wahyu Joni Waisen, Waisen Wati Sukmawati Widi, Rahma Widjaja, Antonius Andri Wijaya, Bryan Anna Wilda Susanti WINANTI, WINANTI Wirawan, Erick Yovan Witanto Yuhdi Fahrimal Yuliana Yoswara, Yuliana Yulina, Indah Karina