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Indra Perdana
Departemen Teknik Kimia, Fakultas Teknik, Universitas Gadjah Mada, Jl. Grafika No.2 Yogyakarta 55281, Indonesia, Telp.(+62274) 561176
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PKM Pendampingan Bantuan Hukum bagi Masyarakat Desa Perjuangan Hutama Hutabarat, Dany Try; Perdana, Indra; Rumondang, Rumondang
MODELING: Jurnal Program Studi PGMI Vol 10 No 4 (2023): Desember
Publisher : Program Studi PGMI Sekolah Tinggi Ilmu Tarbiyah Nahdlatul Ulama Al Hikmah Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69896/modeling.v10i4.2115

Abstract

Bantuan hukum adalah dukungan yang diberikan kepada individu yang membutuhkan pertolongan dalam masalah hukum. Ini bisa mencakup berbagai hal, seperti saran hukum, representasi hukum di pengadilan, dan layanan hukum lainnya. Jenis bantuan hukum yang tersedia dapat berbeda di setiap negara, dan tergantung pada sistem hukum yang berlaku. Sebagai contoh, beberapa negara memiliki sistem hukum yang memberikan hak bantuan hukum bagi setiap warga yang memenuhi syarat secara finansial. Pemberian bantuan hukum merupakan proses yang melibatkan pihak atau organisasi yang memberikan dukungan hukum kepada individu atau kelompok yang membutuhkan pertolongan dalam masalah hukum. Tujuan dari pemberian bantuan hukum adalah untuk memastikan bahwa setiap orang memiliki akses ke sistem hukum dan dapat mempertahankan hak-haknya, terlepas dari status ekonomi atau sosial mereka. Individu yang membutuhkan bantuan hukum harus mencari organisasi atau lembaga yang menyediakan layanan tersebut. Ini bisa dilakukan dengan mencari informasi melalui internet, kantor pemerintah, atau menghubungi kelompok masyarakat atau lembaga swadaya masyarakat yang menawarkan bantuan hukum. Bantuan hukum disediakan secara gratis atau berbiaya rendah bagi mereka yang tidak mampu secara finansial. Ini dilakukan untuk memastikan bahwa orang-orang yang kurang mampu tetap memiliki kesempatan untuk mendapatkan perlindungan hukum yang layak. Penting untuk diingat bahwa pemberian bantuan hukum dapat berbeda di setiap negara atau wilayah, tergantung pada sistem hukum yang berlaku dan ketersediaan sumber daya. Jika Anda memerlukan bantuan hukum, disarankan untuk segera mencari bantuan dari lembaga atau organisasi hukum yang terpercaya untuk mendapatkan panduan yang tepat sesuai dengan kebutuhan. Metode dalam penelitian ini melakukan kegiatan sosialisasi bagi masyarakat Desa Perjuangan Kecamatan Sei Balai Kabupaten Batubara. Luaran yang ditargetkan yaitu terciptanya artikel pengabdian dengan lauaran jurnal bersinta.
Implementasi Metode Pembelajaran Membaca Kritis untuk Meningkatkan Kemampuan Membaca dan Hasil Belajar Siswa Wihastyanang, Wardani Dwi; Perdana, Indra; Bungai, Joni
Journal of Education Research Vol. 5 No. 3 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i3.1000

Abstract

Penelitian ini bertujuan untuk mengetahui implementasi metode pembelajaran membaca kritis terhadap kemampuan membaca dan hasil belajar siswa. Pelaksanaan penelitian tindakan kelas (PTK) yang diterapkan di SMPN dua Gudo Jombang dengan sasaran siswa kelas VII. Teknik pengumpulan data berupa teknik observasi yang akan dibagi dalam dua siklus PTK. Pada Siklus I, pelaksanaan pembelajaran membaca pemahaman dengan metode membaca kritis kurang berjalan dengan baik karena masih ada beberapa siswa yang kurang aktif dengan hasil belajar yang kurang memuaskan sehingga diperlukan siklus II. Teknik analisis data dari hasil belajar siswa akan dihitung dengan prosentase hasil angket observasi siswa. Hasil prosentase akan dihitung dan dipaparkan sebagai kesimpulan hasil dari kedua siklus. Pada Siklus II, pelaksanaan pembelajaran membaca pemahaman dengan metode membaca kritis sudah berjalan dengan baik. Hal itu ditunjukkan dengan meningkatnya keaktifan siswa dalam mengikuti pembelajaran yang berlangsung dalam kelas. Hasil belajar yang diperoleh juga menunjukkan adanya peningkatan, baik hasil belajar secara individu maupun berkelompok. Dengan demikian, metode membaca kritis, meningkatkan tingkat pemahaman siswa terhadap sumber bacaan terutama artikel.
ANALYSIS OF EGRA (EXPERIENCE, GENERALIZATION, REINFORCEMENT, APPLICATION) METHOD IN TEACHING PROCESS OF RECOUNT TEXT WRITING ABILITY AT SMPN 7 PALANGKA RAYA Hasanah, Nunur; Perdana, Indra; Arina Luardini, Maria
Journal Compound: Improving the Quality of English Education Vol. 11 No. 1 (2023): June 2023: Journal Compound
Publisher : Program Studi Magister Pendidikan Bahasa Inggris, Program Pascasarjana, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jcp.v11i1.14881

Abstract

This study investigates the teaching process using the EGRA (Experience, Generalization, Reinforcement, Application) method for writing a recount text in the eighth grade at SMPN7 Palangka Raya. It specifically focuses on how the method is utilized in lessons, its presence in teaching plans, and the responses it receives from teachers and students. The EGRA method is selected due to its focus on experiential learning, thereby providing students with opportunities for creativity in their writing and facilitating discussions about their work. Each EGRA stage has its specific objectives, aiding students in understanding, formulating, revising, and applying ideas. Data, collected through observations, interviews, and document review, reveal how the EGRA method affects student participation and assists in effective material delivery, creating an engaging classroom environment. The method encourages various insightful activities and challenges students, thereby stimulating their knowledge and creativity. The research concludes the influential role of the EGRA method in activating student learning and transforming the teacher's role into a facilitator, breaking away from monotonous classroom conditions.
Pemerolehan Bahasa Anak Usia 2 Tahun di Masa Pandemi Covid 19 Perdana, Indra; Sasmithae, Lia; Bungai, Joni
Jurnal Pendidikan Tambusai Vol. 6 No. 1 (2022): 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v6i1.3674

Abstract

Orang tua memiliki peranan penting dalam pemerolehan Bahasa anak. Pandemi Covid 19 memiliki dampak yang signifikan terhadap terbatasnya sosialisasi anak. Anak terbatas hanya berkomunikasi dengan orang tuanya saja. Hal ini berdampak pada pemerolehan Bahasa pada anak. Penelitian ini bertujuan untuk mendeskripsikan pemerolehan Bahasa anak selama masa pandemi covid 19. Metode penelitian yang digunakan adalah metode deskriptif pendekatan kualitatif Data pada penelitian ini bersifat deskriptif yang berarti pemerolehan Bahasa (fonologi, morfologi, sintaksis dan semantik) pada anak. Data yang digunakan dalam penelitian ini yaitu ujaran verbal dari anak. Sumber data penelitian ini yaitu Mosha, anak perempuan berusia 2 tahun 4 bulan. Teknik pengumpulan data yang dilakukan oleh peneliti yaitu teknik simak dan teknik catat. Teknik analisis data dalam penelitian ini yaitu menggunakan reduksi data, penyajian data, dan penarikan simpulan. Hasil penelitian ini menunjukkan bahwa anak menguasai pemerolehan bahasa baik dari tataran fonologi, morfologi dan sintaksis secara sederhana. Terdapat pula beberapa variasi dalam pemerolehan fonologi, sebagian besar disebabkan oleh belum sempurnanya alat ucap. Kemudian diharapkan bagi orang tua yang memiliki anak rentang satu tahun sampai tiga tahun harus lebih sering melibatkan anak-anak dalam berkomunikasi, supaya kosa kata yang didapatkan lebih banyak dan bervariasi. Orang tua juga harus mengajarkan anak untuk lebih sering berinteraksi di lingkungan sekitarnya
Optimization of Lithium Separation from NCA Leachate Solution: Investigating the Impact of Feed Concentration, Pressure, and Complexing Agent Concentration Mustika, Pra Cipta Buana Wahyu; Suryanaga, Edward Chandra; Perdana, Indra; Sutijan, Sutijan; Astuti, Widi; Petrus, Himawan Tri Bayu Murti; Prasetya, Agus
ASEAN Journal of Chemical Engineering Vol 23, No 3 (2023)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajche.83096

Abstract

Recycling lithium batteries (LIB) has emerged as an attractive solution in the global pursuit of environmentally friendly practices. The aim of achieving zero–waste hydrometallurgical technology is within reach. This research focuses on utilizing the low-pressure nanofiltration process to address this challenge by separating lithium ions from other ions and achieving a desirable permeate flux. The NCA battery leachate concentrate was obtained through a hydrometallurgical process involving sulfuric acid–peroxide. To ensure the prevention of potential nanofiltration membrane (TS80) fouling, the concentrate is initially filtered using an ultrafiltration membrane (UH004) to remove any particles. The research investigates the impact of pressure (4, 6, and 7 bar), solution concentration (concentrate, 10x, and 50x dilution), and the concentration of the complexing agent (EDTA) on the desired separation performance. The investigation reveals that pressure variations exhibit consistent rejection rates, remaining stable above 80%. A similar trend is observed with the addition of EDTA, which consistently yields rejection rates above 80%. However, when examining different feed concentrations, the rejection of lithium falls below 80% for leachate concentrates. In summary, satisfactory results are obtained by employing nanofiltration with a TS80 membrane at a pressure of 7 bar, a dilution factor of 10x, and using a 0.02M EDTA complexing agent. Meanwhile, it was found that the separation factors (Li⁺/Ni²⁺ = ~8.6, Li⁺/ Co²⁺ = ~7.3, Li⁺/Al³⁺ = ~4.9) and permeate flux ±46.58 L m⁻² h⁻¹. The findings demonstrate good selectivity along with relatively high flux.
DAILY COMMUNICATION PATTERNS OF SOCIAL INTERACTION IN BATAK TOBA LANGUAGE Sitompul, Theresia Friska Damayanti; Perdana, Indra; Misrita, Misrita
Bahasa: Jurnal Keilmuan Pendidikan Bahasa dan Sastra Indonesia Vol 3, No 2 (2021)
Publisher : ppjbsip

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26499/bahasa.v3i2.109

Abstract

This research deals with the investigation of daily communication patterns of social interaction in Batak Toba language. The major issues in this research were the application of daily communication patterns in aspects of social interaction where the patterns were found. Besides, this research also found the way daily communication patterns in social interaction in Batak Toba language are expressed. The results show that the patterns in social interaction in Batak Toba language are found in many aspects, they are: (1) greetings, (2) self-introduction, (3) offer, (4) giving, (5) apologizing, (6) permissions, (7) invitations, (8) reply, (9) requests, (10) regrets, and (11) leave taking. As far as the research had been done, the way the patterns in Batak Toba language are expressed by using terms of kinship such as amang, inang, tulang, nantulang, amang boru, namboru, ito, lae, hela, parumaen, amang bao, inang bao, bere, paraman, appara, etc. Sociolinguistically, there is not any fixed patterns for each of the routines above because they depend on some social factors, such as, terms of kinship, age, gender, and familiarity.AbstrakPenelitian ini membahas tentang investigasi pola komunikasi interaksi sosial sehari-hari dalam bahasa batak toba. Isu utama dalam penelitian ini adalah penerapan pola komunikasi sehari-hari dalam aspek interaksi sosial dimana pola tersebut ditemukan. Selain itu, penelitian ini juga menemukan cara pengungkapan pola komunikasi sehari-hari dalam interaksi sosial dalam bahasa batak toba. Hasil penelitian menunjukkan bahwa pola interaksi sosial dalam bahasa batak toba ditemukan dalam banyak aspek, yaitu: (1) salam, (2) perkenalan diri, (3) menawarkan, (4) memberi, (5) meminta maaf, ( 6) izin, (7) undangan, (8) balasan, (9) permintaan, (10) penyesalan, dan (11) pengambilan cuti. Sejauh penelitian yang telah dilakukan, cara pola dalam bahasa batak toba diungkapkan dengan menggunakan istilah kekerabatan seperti amang, inang, tulang, nantulang, amang boru, namboru, ito, lae, hela, parumaen, amang bao, inang bao, bere, paraman, appara, dll. Secara sosiolinguistik, tidak ada pola yang tetap untuk setiap rutinitas di atas karena bergantung pada beberapa faktor sosial, seperti, istilah kekerabatan, usia, jenis kelamin, dan keakraban    
STUDENT'S PERCEPTION ON THE SECOND LANGUAGE ACQUISITION (SLA COURSE) THROGH GOOGLE CLASSROOM Wihastyanang, Wardani Dwi; Perdana, Indra; MARHABAN, SAIFUL
English Teaching Journal : A Journal of English Literature, Language and Education Vol 11, No 2 (2023)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/etj.v11i2.19541

Abstract

The researcher was intended to meet the following objectives to know the student's perception regarding Google Classroom and Google form implementation on Second Language Acquisition online learning. Meanwhile, in this study the researchers made changes to the needs of students in using the google classroom application during the Covid-19 pandemic with the subject of the Second Language Acquisition Course using the questionnaire method. This study wil use qualitative through, it was given to both teachers and students to know their experiences. The survey used online questionaire which was adapted from Asnawi (2018), then the descriptive method used to describe the condition of existence and classifying the information. The respondents of this research is students of English Department of UNIVERSITAS PGRI JOMBANG. They were 39 respondents. The result of this study discovered learners' perception of learning using the online media during COVID 19 pandemic. Findings indicated general satisfactory among learners regarding instructional design and delivery of online learning including the provision of materials, supporting learning materials and instructions to tasks submission. Students felt the need for improvement in designing activities to engage their critical thinking. Formative assessment must also be provided timely through each courses. Teachers along with policy makers of the institution have to reshape the dynamic of online learning delivery in order to create greater participation and engagement between students, not only in independent tasks but also tasks that involve group work.
Karakteristik Morfologi dari Formulasi Pupuk NPK Coated dengan Enkapsulasi Starch-PVA-Glycerol Habibi, Wildan; Purnomo, Chandra Wahyu; Perdana, Indra
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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

Abstract

In modern agriculture, the application of NPK fertilizer plays an important role in food security. However, most commercial uncoated fertilizers have low nutrient absorption efficiency with 30-70% nutrient loss, advances to financial losses for farmers and causing environmental issues. Slow-release fertilizer (SRF) is the best solution to decrease loss rate, supplying nutrients sustainably, and reduces potential negative environmental effects. These fertilizers are made by physically encapsulating NPK fertilizer with organic hydrophobic materials (starch-polyvinyl alcohol (PVA)-glycerol). Double layered encapsulation is formulated by in-situ copolymerization of starch with vinyl acetate monomer from PVA in different ratios. Glycerol is added to increase the film compatibility. Scanning Electron Microscope (SEM) followed by Energy Dispersive X-ray (EDX) analysis reveals the morphological characteristic of uncoated and coated NPK samples. The surface micrograph of uncoated NPK exhibits fine spire crystals that are intensely cemented on to the surface with some bigger crystals of potassium chloride. The gaps and pores are also visible. The SEM micrographs of coated NPK depict layering and agglomeration that is a clear indication of the coating. A higher ratio of PVA increases agglomeration on the surface of coated NPK, representing dense and complete coverage with less pores and cavities occurs
Physical Separation Bahan Aktif Katoda dari Campuran Hasil CrushingBaterai Lithium-Ion Bekas Fadillah, Farika Asna; Perdana, Indra; Purnomo, Chandra Wahyu
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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

Abstract

The increasing use of electric vehicles in the coming decades makes the recycling of spent li-ion batteries an important topic to develop. Recycling spent li-ion batteries is necessary to extract valuable materials from the battery cathode. Elutriation is one of the separation method to separate the cathode and anode from the blackmass resulting from crushing by utilizing differences in density and terminal velocity. The Elutriation method is attractive to develop because the separation is done by adjusting the fluid velocity and does not use chemicals. In this study, 4 variations of fluid load will be used, namely 24, 27, 30, and 34 mL/min. The blackmass to be elutriated has a size variation between -38 to +53 micrometers. From the results under the elutriator, the cathode mass obtained for fluid load variations of 24, 27, 30, and 34 mL/min are 0.8366, 0.4333, 0.3907, and 0.1349 grams. The highest cathode recovery at a load of 24 mL/min is 97.21% and the cathode fraction is 0.4091. Furthermore, it can increase the cathode composition in the mixture by 48.98% and reduce the anode composition by 18.54%.
Investigating the impact of nanoparticle geothermal silica loading on the mechanical properties and vulcanization characteristics of rubber composites Syabani, Muh Wahyu; Rochmadi; Perdana, Indra; Prasetya, Agus
Communications in Science and Technology Vol 8 No 1 (2023)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.8.1.2023.1190

Abstract

The present study investigates the effects of nanoparticle geothermal silica (NGS) on the mechanical properties and vulcanization characteristics of rubber compounds with various filler loadings. The rubber compounds were filled with 0, 20, 30, and 40 phr of silica. The properties of NGS were analyzed using transmission electron microscopy, particle size analyzer, and BET surface area analysis to examine its morphology, size distribution, and surface area. The mechanical properties and vulcanization characteristics of the rubber compounds reinforced with NGS were evaluated using a universal testing machine and moving die rheometer. The results showed that NGS possessed the primary particle sizes below 20 nm and a surface area of 168.35 m2/g. The interaction between silica and rubber determined the modulus of the rubber composites and the vulcanization characteristics. The tensile strength of the rubber compounds, meanwhile, showed a significant increase more than threefold as the filler loading increased from 0 phr to 30 phr, followed by a slight decline at 40 phr loading. The addition of 20 phr of silica led to a prolonged scorch time compared to the filler-free compound due to the adsorption of activators and accelerators. However, the scorch time decreased after reaching 30 phr of silica loading, which could be attributed to the higher amount of bound rubber covering a portion of the silica surface, thereby reducing its ability to adsorb the activator. The presence of silica with good thermal conductivity enabled a better heat transfer during the vulcanization process, resulting in shorter curing times for higher loading. Rubber compounds with an NGS loading of 30 phr demonstrated a favorable balance between filler-rubber interactions, vulcanization characteristics, and mechanical properties in the rubber compounds.
Co-Authors Agus Prasetya Agus Syahrani Angrum, Alna Triskaya Aprilianto, Doni Riski Aqmarin, Ifni Asfar, Dedy Ari Azmi, Chairanda Al Bernadetha Nadeak Bina, Risa Masdania Kartika Chandra Wahyu Purnomo Dany Try Hutama Hutabarat Darnita, Darnita Debora Demitra Diman, Paul Dwisetyo, Vici Erisyerico, Mimo Lalito Fadillah, Farika Asna Fajar Fajar Gazali Salim Hary Sulistyo Hasanah, Nunur Hasby, Nazar Hery Widijanto Himawan Tri Bayu Murti Petrus Hinode, Hirofumi Holten Sion, Holten Ilham Ilham Ilham Ilham Islamiah, Neneng Iswandi, Rizky Joni Bungai, Joni Juwita, Nadilla Rahma Kaharap, Mongga Karani, Elannari Karani, Elanneri Kathryn, Morse Kinanti, Divita Hayyu Kristanoval, Kristanoval Kriswantara, Glory Linarto, Lazarus Linggua Sanjaya Usop Lubis, Lili Kahirina Azhari Lubis, Rafly Aulia Manurung, Mangaraja Marhaban, Saiful Maria Arina Luardini Maria Arina Luardini Misrita Misrita, Misrita Muh. Wahyu Syabani Mustika, Pra Cipta Buana Wahyu Nadila, Indriani Najmiah, Lailatun Nasution, Adenisya Natalina Asi, Natalina Natasya Nita, Lisa Afria Noviasi Nur Muttaqien Zuhri Nurhasanah Nurhasanah Nurwidyaningrum, Kristanti Nuryoto Oscar, Scherschligt Panut Mulyono Pasaribu, Liza Umami Pattiasina, Petrus Jacob Paulina, Novely Esterika Petrus Jacob Pattiasina Petrus Poerwadi Pradnya Paramitha, Putu Elvira Pratiwi, Irda purwaka, albertus Putri, Julia Rahma Putri, Nelliza Rahman, Muhammad Irfan Rahmat Winata Ramadani, Fitra Ristati, Ristati Rizaldi, Muhammad Rochmadi Rumondang, Rumondang Salam, Agus Sanjaya Usop, Linggua Sari, M. Alpian Sasmithae, Lia Sedyatama, Deska Anggrait Silalahi, Juniar Tiurma Uli Silvianti, Annisa Sinuraya, Jusak Kencana Siregar, Fazriana Siti Arnisyah Siti Nurul Aisyiyah Jenie, Siti Nurul Aisyiyah Sitompul, Theresia Friska Damayanti Sitorus, Akmal Satria Alfin Sitorus, Muhammad Aldi Prayuda Slamet Sumardi, Slamet Sriwahyuni, Riza Sujoto, Vincent Sutresno Hadi Suryanaga, Edward Chandra Sutijan Syahrunsyah, Syahrunsyah Syapiq, Mirza Theasy, Yoan Thesaloga, Rino Umar, Vebrianti Veniaty, Syarah Verawati Verawati Wahyu Imam Santoso Wahyudi Budi Sediawan Wardani Dwi Wihastyanang, Wardani Dwi Warmita, Helena Karunia Weliyadi, Encik Widi Astuti Wijaya, Chandra Ridho Wildan Habibi Yupita, Yupita Zuwandana, Ahmad