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Arif Mustofa
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INDONESIA
Jurnal DISPROTEK
ISSN : 25484168     EISSN : 25484168     DOI : -
Jurnal DISPROTEK e-ISSN 2548-4168 p-ISSN 2088-6500 Jurnal di publikasikan oleh Fakultas Sains dan Teknologi, Universitas Islam Nahdlatul Ulama Cakupan isi jurnal DISPROTEK dalam bidang teknik adalah : teknik elektro, teknik sipil, teknik industri; dalam bidang ilmu komputer adalah : teknik informatika dan sistem informasi serta dalam bidang perikanan adalah : budidaya perairan.
Arjuna Subject : -
Articles 229 Documents
SMALL RENEWABLE ENERGY BIOGAS LIMBAH CAIR (POME) PABRIK KELAPA SAWIT MENGGUNAKAN TIPE COVERED LAGOON SOLUSI ALTERNATIF DEFISIT LISTRIK PROVINSI RIAU Safrizal Safrizal
Jurnal DISPROTEK Vol 6, No 1 (2015)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v6i1.195

Abstract

ABSTRACT Electrical Company Regional Riau and Riau Islands (WRKR) experience, the power deficit of about 134.4 MW of electricity needs in Riau at the time amounted to 450.7 MW peak load capability while only 316.3 MW power plant, so that had to be done rolling blackouts, in the city of Riau and surrounding. Completion of the power crisis can be done with the use of alternative energy (renewable energy) of renewable energy that can be used to generate electrical energy include biogas. The processing of fresh fruit bunches (FFB = fresh fruit Bunches) into crude palm oil (CPO) and the entire palm oil mill production activities (MCC) produce biomass, both solid and liquid waste, (Palm Oil Mill Effluent / POME). Agroindustri palm plantations are spread almost all districts / cities in Riau, Riau region has 147 units of Palm Oil Mill (MCC) with a total production capacity of 6584 tons / hour, the potential for liquid waste 710,103,744 m3 / year, which is capable of electrical energy in the raised 434.54 MW , with the production of electrical energy 2,476,849,990 kWh / year, electricity sales potential Rp 2,414,928,740,015.87 / yr. Deficit of 134.4 MW of electricity, while the electric energy potential of POME 434.54 MW, still a surplus of 300.14 MW, and when in totalizing the capacity of 316.3 MW power capacity + 434.54 MW = 750.84 MW, more than enough electricity for the needs of Riau province until 2016 only 701 MW. Development of Biomass Power Plant effluent (POME) in addition to meeting the needs of the local and surrounding electrical energy while addressing environmental pollution due to the waste liquid and solid waste in the area around the plant oil palm. Wastewater treatment capable of preventing the emission of CH4 gas directly into the atmosphere. The use of synchronous generators with prime mover PLTBS as Voltage Regulator Bus in Distributed Generation System in Smart Grid is able to improve the voltage drop, power factor controller, reducing losess power, increasing the ratio of electrical and power quality improvement with exsiting distribution network utilization. Keywords-component; POME, Renewable energy alternatif, Small Renewable energy. ABSTRAK PT PLN Wilayah Riau dan Kepulauan Riau (WRKR) mengalami defisit listrik sekitar 134,4 MW. Kebutuhan listrik di Riau pada waktu beban puncak sebesar 450,7 MW. Kemampuan pembangkit listrik hanya 316,3 MW, sehingga terpaksa dilakukan pemadaman bergilir di Kota Riau dan sekitarnya. Penyelesaian krisis listrik dapat dilakukan dengan pemanfaatan energi alternatif (renewable energy). Eenergi baru terbarukan yang dapat digunakan untuk menghasilkan energi listrik diantaranya adalah Biogas. Proses pengolahan tandan buah segar (TBS = fresh fruit bunches) menjadi crude palm oil (CPO) dan seluruh aktivitas produksi pabrik kelapa sawit (PKS) menghasilkan biomassa, baik limbah padat maupun cair, (Palm Oil Mill Effluent / POME). Agroindustri perkebunan sawit yang tersebar di wilayah Riau memiliki 147 unit Pabrik Kelapa Sawit (PKS) dengan total kapasitas produksi 6.584 Ton/jam, potensi limbah cair 710,103,744 m3/tahun. Energi listrik yang mampu di bangkitkan 434.54 MW, dengan produksi energi listrik 2,476,849,990 kWh/tahun, potensi penjualan listrik Rp 2,414,928,740,015.87/thn. Defisit listrik 134,4 MW, sedangkan potensi energi listrik dari POME 434,54 MW, masih surplus 300,14 MW, dan bila dijumlahkan antara kapasitas daya 316,3 MW + 434,54 MW = 750,84 MW, lebih dari cukup untuk kebutuhan listrik Provinsi Riau hingga tahun 2016 hanya 701 MW. Pembangunan Pembangkit Listrik Biomassa limbah cair (POME) selain pemenuhan kebutuhan energi listrik lokal dan sekitarnya sekaligus mengatasi pencemaran lingkungan hidup akibat timbunan sampah limbah padat dan cair di area sekitar pabrik kelapa sawit. Pengolahan limbah cair mampu mencegah emisi gas CH4 secara langsung ke atmosfir. Penggunaan generator sinkron dengan prime mover PLTBS sebagai Voltage Regulator Bus pada system Distributed Generation pada Smart Grid mampu memperbaiki drop tegangan, power factor controller, mengurangi losess daya listrik, peningkatan rasio kelistrikan serta perbaikan power quality dengan pemanfaatan jaringan distribusi exsiting.
ANALISIS PENGARUH KOMITMEN ORGANISAS! DAN KETERLIBATAN KERJA TERHADAP HUBUNGAN ANTARA ETIKA KERJA ISLAM DENGAN SIKAP PERUBAHAN ORGANISASI Sri Anik; Arifuddin Arifuddin
Jurnal DISPROTEK Vol 1, No 1 (2010)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v1i1.244

Abstract

Abstract This study examines the effect of Organizational Commitment and Job Involvement on the relationship between The Islamic Work Ethics and Organizational Change Attitude. The result of the study supports the hypothese that the Islamic Work EtNc relates to the Organizational Commitment and the Islamic Work Ethic related to the Organizational Change Attitude. In addition Job Involvement and the Organizational Commitment mediated the relationship between the lslamic Work Ethics and the Organizational Change Attitude whereas the result doesnt support the previous studies. The insignificant result was caused the Islamic Work Ethics universality which consists of honesty, merits, truth, shameful, self holiness, affection, simplicity and thrifty
MODEL DISTRIBUSI LOGISTIK KEMANUSIAAN DALAM MENGHADAPI BENCANA GEMPA BUMI DI KABUPATEN BANTUL Yohanes Anton Nugroho
Jurnal DISPROTEK Vol 7, No 2 (2016)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v7i2.428

Abstract

ABSTRACT Earthquake is a disaster that difficult to predict, and potentially cause enormous damage for the affected region. Bantul regency is one of the regions that vulnerable earthquakes. Humanitarian logistics distribution model in the research model the distribution logistics of humanitarian aid package from BPBD kabupaten Bantul towards the warehouse distributor. Amount of aid distributed determinedby consideration refugees number to their respective districts, the level of vulnerability and scenario level heavy damage. Based on the results of linear programming model using running LINDO 6.1 For Student Version on the extent of the damage was very severe obtained the necessary amount of time distribution is for 3 days, with 287 transport using engkeltruck and 38 transport using trontontruck Keyword: earthquake, distribution, humanitarian, logistic, Bantul ABSTRAK Gempa bumi merupakan bencana yang sulit diprediksi, dan berpotensi menyebabkan kerusakan besar bagi wilayah terdampak. Kabupaten Bantul merupakan salah satu wilayah rawan bencana gempa bumi. Model distribusi logistik kemanusiaan dalam penelitian memodelkan pendistribusian paket bantuan logistik kemanusiaan dari BPBD Kabupaten Bantul menuju gudang penyalur (Kecamatan). Jumlah bantuan yang didistribusikan ditentukan olehpertimbangan jumlah pengungsi masing-masing wilayah kecamatan, tingkat kerawanan dan skenario tingkat kerusakan berat. Berdasarkan hasil running model linear programming menggunakan LINDO 6.1 For Student Version pada tingkat kerusakan sangat parah didapatkan jumlah waktu pendistribusian yang diperlukan adalah selama 3 hari, dengan 287 pengangkutan menggunakan truk engkel dan 38 pengangkutan menggunakan truk tronton Kata kunci: gempa bumi, distribusi, logistik, Bantul
PERANCANGAN APLIKASI PENGELOLAAN KAS MASJID Noor Latifah
Jurnal DISPROTEK Vol 8, No 2 (2017)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v8i2.539

Abstract

ABSTRACT The design of cash management application of this mosque is made by performing the first analysis on the system that is running to be able to get the data needs to be processed and the information needs to be available. Application design using UML modeling language by using some diagrams contained in UML include use case diagrams, class diagrams and activity diagrams. The management of the mosque's cash needs transparency for both incoming and outgoing funds and to be clear about both incoming and outgoing funds. The design of the cash management application of this mosque is expected to be the basis for the development of its application which is expected to facilitate in all the process that must be passed on the management of mosque cash. Keywords: cash, mosques, design, UML, applications. ABSTRAK Perancangan aplikasi pengelolaan kas masjid ini dibuat dengan melakukan analisa terlebih dahulu pada sistem yang sedang berjalan untuk bisa mendapatkan kebutuhan data yang akan diproses dan kebutuhan informasi yang harus tersedia. Perancangan aplikasi menggunakan bahasa pemodelan UML dengan menggunakan beberapa diagram yang terdapat di dalam UML diantaranya use case diagram, class diagram dan activity diagram. Pengelolaan kas masjid dibutuhkan transparasi untuk dana yang masuk maupun dana yang keluar serta harus jelas baik mengenai dana yang masuk maupun penggunaan dana yang keluar. Perancangan aplikasi pengelolaan kas masjid ini diharapkan bisa dijadikan dasar pada saat pembagunan aplikasinya yang diharapkan bisa mempermudah dalam semua proses yang harus dilalui pada pengelolaan kas masjid. Kata kunci: kas, masjid, perancangan, UML, aplikasi.
ANALISIS KETERLAMBATAN PENYAMPAIAN LAPORAN KEUANGAN DAN KINERJA KEUANGAN STUDI PADA PERUSAHAAN PUBLIK 1999-2005 TRI GUNARSIH
Jurnal DISPROTEK Vol 1, No 1 (2010)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v1i1.239

Abstract

ABSTRACT The main objective of this study is to analyze timelines of financial statement reporting and financial performance in Indonesian Stock Exchange (IDX). Samples In this study are IDX public companies listed In 1999-2005, The research questions are tested by running ANOVA to analyze whether any differences in timelines of financial statement reporting and finanda/performance between years and between size and also Independent i test to analyze whether any differences in timelines of financial statement and financial penvnffance between industry. Timelines (KW) proxied by dummy variable, If companies published financial reporting before 120 days after December 31 and 0 otherwise. finandaf performance proxied by Sales, Asset Earning After Tax(EAT)f Return on Investment (ROI), Return on Equity (ROE), and Sales Growth. The results of between year comparisons show that there are differences (increasing) between years for EAT, ROI and KW. These suggest that firm performance and timelines of finandaf statement reporting are increasing over time. The results of between size comparisons show that there are differences between size for EAT, Sales and KW. The bigger the size, the higher the financial performance and the timelines. The results of between industry comparisons show that there are differences for Asset and EAT. Base on these variables, financialperformance in service industry higher than manufacture industry.
ANALISA KERUSAKAN JEMBATAN BONGPES DESA GERDU KABUPATEN JEPARA Mochammad Qomaruddin; Zuli Rubiatin; Tri Hanafiah Munawaroh; Windiya Lista Putri
Jurnal DISPROTEK Vol 6, No 2 (2015)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v6i2.269

Abstract

Bridges conditions Bongpes Gerdu Village district of Jepara are found damage and rust on the bridge structure . This situation makes people uncomfortable passing the bridge. Methods of data collection was conducted by observation, questionnaires and interviews to the community . The main cause of the destruction of this bridge is a a factor of age more than 40 years , almost all parts of the bridge is not feasible installed from hand rail rusty , hollow bodies in the course of the bridge , steel structure rusty and very narrow width of the bridge . Recommendations to the Government District / Central Java is to restore or redesign the construction of the bridge with a width of bridge which could be passed to four-wheeled vehicles, so that access to economic and community development is increasing. Keyword: Bongpes bridge , bridge damage Kondisi Jembatan Bongpes Desa Gerdu Kabupaten Jepara banyak ditemukan kerusakan dan berkarat pada struktur jembatan. Keadaan ini membuat masyarakat tidak nyaman lewat jembatan tersebut. Metode pengumpulan data dilakukan dengan observasi, kuesioner kepada masyarakat dan wawancara. Penyebab utama kerusakan jembatan ini adalah faktor usia jembatan yang sudah lebih dari 40 tahun, hampir semua bagian jembatan sudah tidak layak terpasang mulai dari hand rail berkarat, badan jembatan yang berlubang pada jalannya, besi struktur yang sudah berkarat dan lebar jembatan yang sangat sempit. Rekomendasi kepada Pemerintah Kabupaten/Provinsi Jawa Tengah, dimohon untuk perbaikan kembali atau redesign pembangunan jembatan tersebut dengan lebar jembatan yang dapat dilewati kendaraan roda empat, sehingga akses perekonomian dan pembangunan masyarakat semakin meningkat. Kata Kunci: Jembatan Bongpes, Kerusakan Jembatan.
KRIYA DAN DESAIN MENUJU PERKEMBANGAN KEKRIYAAN INDONESIA Zainul Arifin MA
Jurnal DISPROTEK Vol 7, No 2 (2016)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v7i2.420

Abstract

ABSTRACT Kriya in the context of the past is defined as an art product that contained the charge aesthetic value, symbolic, philosophical, and functional. The craft in the present context has a different understanding of that; can produce functional products and can produce art that is an expression of the individual for the sake of artistic prestige. Kriya have common terms and have many of the terms derivatives namely: Craft Art, Craft expression, Craft Design, Craft Design, Craft Product, and Contemporary Craft. These terms are essentially can be classified into two categories: the craft of design and craft art. The basic differences between the two categories lies in the motivation in the creation of its products. Kekriyaan activities should be conducted in order to craft an overall understanding, concerning the categorization in the craft, it became clear, that the "map" kriya can be read and understood. Including how to position the craft and skill collaborate with the design, resulting in an interesting craft products, functional, symbolic, aesthetic, quality and character. Keywords: craft, repositioning, collaboration and design ABSTRAK Kriya dalam konteks masa lampau dimaknai sebagai suatu produk seni yang terkandung muatan nilai estetik, simbolik, filosofis, dan fungsional. Adapun kriya dalam konteks masa kini memiliki pengertian yang berbeda yakni; dapat menghasilkan produk fungsional dan dapat menghasilkan produk seni yang merupakan ekspresi individual untuk kepentingan prestise kesenimanan. Kriya mempunyai istilah yang umum dan memiliki banyak istilah turunan yakni: Kriya Seni, Kriya Ekspresi, Disain Kriya, Kriya Disain, Kriya Produk, dan Kriya Kontemporer. Istilah-istilah tersebut pada hakikatnya dapat dikelompokan kedalam dua kategori yaitu kriya desain dan kriya seni. Perbedaan mendasar dari kedua kategori ini terletak pada motivasi dalam penciptaan produknya. Kegiatan kekriyaan harus sering dilakukan agar pemahaman kriya secara keseluruhan, menyangkut kategorisasi dalam kriya, menjadi jelas, sehingga ??peta? kriya dapat terbaca dan dapat dipahami. Termasuk bagaimana memposisikan kriya dan mengkolaborasikan kriya dengan desain, sehingga menghasilkan produk kriya yang menarik, fungsional, simbolis, estetis, berkualitas dan berkarakter. Kata kunci: kriya, reposisi, kolaborasi dan desain
PERKEMBANGAN BENTUK TOPENG BARONGAN YANG DIGUNAKAN DALAM RITUAL MURWAKALA DI KABUPATEN BLORA DALAM KONTEKS SOSIAL BUDAYA Fivin Bagus Septiya Pambudi
Jurnal DISPROTEK Vol 8, No 1 (2017)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v8i1.486

Abstract

ABSTRACT A ritual of Murwakala constitutes an exorcism ritual, which is in Javanese ??ngruwat wong sukerta?, because Blora peole belive in ??wong sukerta?. The problem statements are (1)how the development of Barongan Blora mask is used in a ritual of Murwakala, (2)How the functions of Barongan mask are used in a ritual of Murwakala (3) How the meaning of each developments of Barongan mask is used in a ritual of Murwakala. This research is used qualitative method. The research aim is (1) to know and explain the development of the mask of Barongan Blora used in Murwakala ritual, (2) To know and explain the functions of Barongan mask in Murwaala ritual, (3) To know and explain the meaning of each developments of Barongan mask used in Murwakala ritual. This research used qualitative method. The collecting data conducted by:(1)Observing Barongan performance, artists, and spectators, (2) intervewing Barongan Blora artists, (3) documents data obtained such as files of cuture in Blora especially about Barongan. The study results is the development of Barongan mask happening during periods are before Independence Day until 1945, after Independence Day until Old Order (1946 ?? 1965), New Order Period until Reform (1966 ?? 1998), Reform Period until 2009, 2010 period until now on. The functions of Blora Barongan purely as a medium of Murwakala ritual, and as stage performance. The research suggestions are (1) to develop a local art especially Barongan mask art in Blora and art tradition preservation, (2) to increase performance in government events in order to be people??s proud of having special art performance. Kata Kunci : Barongan, Murwakala, Blora, culture ABSTRAK Ritual Murwakala ini merupakan ritual ruwatan yaitu ngruwat wong sukerta, karena masyarakat Blora mempercayai adanya wong sukerta. Rumusan masalah dalam penelitian ini adalah (1) Bagaimanakah perkembangan bentuk topeng Barongan Blora yang digunakan dalam ritual Murwakala (2) Bagaimanakah fungsi topeng Barongan yang digunakan dalam ritual Murwakala (3) Bagaimana makna dalam tiap bentuk perkembangan topeng Barongan yang digunakan dalam ritual Murwakala. Tujuan penelitian ini adalah (1) Untuk mengetahui dan menjelaskan perkembangan bentuk topeng barongan Blora yang digunakan dalam ritual Murwakala (2) Untuk mengetahui dan menjelaskan fungsi topeng Barongan dalam ritual Murwakala (3) Untuk mengetahui dan menjelaskan makna dalam tiap bentuk perkembangan topeng Barongan yang digunakan dalam ritual Murwakala. Penelitian ini menggunakan metode kualitatif, sedangkan untuk mengumpulkan data dilakukan dengan (1) Observasi mengamati terhadap pertunjukan Barongan, seniman, penonton (2) wawancara yaitu dengan mewawancarai seniman Barongan Blora, Pawang barongan, dan tokoh Blora (3) Data dokumen yang didapat berupa dokumentasi arsip kebudayaan yang ada di kota Blora yaitu mengenai Barongan Blora.Hasil yang diperoleh dalam penelitian ini yaitu perkembangan bentuk topeng barongan blora yang terjadi dalam beberapa periode yaitu periode sebelum kemerdekaan sampai 1945, periode setelah kemerdekan sampai orde lama (1946 ?? 1965), periode orde baru sampai reformasi (1966 ?? 1998), periode reformasi sampai tahun2009, periode 2010 sampai sekarang. Fungsi Barongan Blora yaitu, fungsi Barongan murni sebagai sarana ritual Murwakala, fungsi Barongan dalam ritual Murwakala Pertunjukan Panggung. Saran (1) Mengembangkan kesenian daerah khususnya kesenian topeng Barongan di kabupaten Blora bisa berkembang dan juga dalam hal pelestarian seni tradisi. (2) Peningkatan frekuensi pertunjukan dalam even-even pemerintah sangat diharapkan, agar masyarakat bangga dengan seni pertunjukan yang dimiliki. Kata Kunci : Barongan, murwakala, blora, budaya
PENGARUH TOTAL PADATAN TERSUSPENSI TERHADAP BIODIVERSITAS MAKROZOOBENTOS DI PANTAI TELUKAWUR KABUPATEN JEPARA Arif Mustofa
Jurnal DISPROTEK Vol 9, No 1 (2018)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v9i1.656

Abstract

The coastal waters of Telukawur Beach Jepara Regency is utilized by the surrounding community for various activities. Sediment transport passed on the rivers also community activities causes turbidity from suspended solids. This situation affects biodiversity especially macrozoobentos in these waters. This study aims to determine the total suspended solids and their effect on macrozoobenthos. The study used a pusposive method. It is used to measure total suspended solids as well as biodiversity analysis covering the index of diversity, diversity index, dominance index and relative diversity. The results showed the total suspended solids in Telukawur coastal waters of Jepara Regency ranged between 104.22 mg / l - 134.12 mg / l. The total suspended solids has a very strong effect (r = 0.934) on the abundance of macrozoobentos with a relative abundance range of 10.969% - 34.004%.
ANALISIS FAKTOR PEMILIHAN APLIKASI CHATTING PARA PENGGUNA SMARTPHONE ANDROID DENGAN MENGGUNAKAN METODE ANALYTIC HIERARCHY PROCESS Muhammad Choiru Zulfa
Jurnal DISPROTEK Vol 6, No 1 (2015)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v6i1.201

Abstract

ABSTRACT The technology development of smartphone used operation system of android increases the use of application of media social in a form of chatting such as WeChat, WhatsApp, Line, dan KakaoTalk. The developers of aplication compete to improve feature and promote it to increase the amount of users. This study was conducted to know the priority of smartphone users to select chatting application and priority of factors in selecting chatting application as social media vy using AHP method. The research result that has been conducted based on factors of users, speed of application, features, and the frequency of facility was obtained as priority in chatting application by smartphone users, they are WeChat 30.35%, KakaoTalk 27.64%, WhatsApp 21,13%, Line 20,88%. Keyword : Chatting, android, AHP ABSTRAK Perkembangan teknologi smartphone yang menggunakan sistem operasi android meningkatkan penggunaan aplikasi sosial media dalam bentuk aplikasi chatting seperti WeChat, WhatsApp, Line, dan KakaoTalk. Para pengembang aplikasi berlomba-lomba untuk mengembangkan fitur dan melakukan promosi untuk meningkatkan jumlah penggunanya. Studi ini dilakukan untuk mengetahui prioritas para pengguna smartphone dalam memilih aplikasi chatting dan prioritas faktor-faktor dalam pemilihan aplikasi chatting sebagai media sosial dengan menggunakan metode AHP. Hasil penelitian yang dilakukan berdasarkan faktor jumlah pemakai, kecepatan aplikasi, jumlah fitur, dan kemudahan pemakai diperoleh prioritas aplikasi chatting yang dipilih oleh para pengguna smartphone android adalah WeChat dengan nilai 30.35%, KakaoTalk dengan nilai 27.64%, WhatsApp dengan nilai 21,13%, Line dengan nilai 20,88%. Kata Kunci : Chatting, android, AHP

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