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All Journal HAYATI Journal of Biosciences Jurnal Sain Veteriner BULETIN OSEANOGRAFI MARINA Microbiology Indonesia Biotropika Indonesian Journal of Biotechnology AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan Omni-Akuatika Jurnal Perikanan Universitas Gadjah Mada Jurnal Penelitian Perikanan Indonesia Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Aquacultura Indonesiana Agrikan: Jurnal Agribisnis Perikanan Journal of Fisheries & Marine

Murwantoko .

Departemen Perikanan, Fakultas Pertanian, Universitas Gadjah Mada, Yogyakarta, Indonesia

Author-ID : 2416245

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Veterinary

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Reproductive biology of largehead hairtails, Trichiurus lepturus Linnaeus, 1758 in the coastal area of Bantul Regency Praditha Novianingrum; Djumanto Djumanto; Murwantoko Murwantoko; Eko Setyobudi
Jurnal Iktiologi Indonesia Vol 17 No 2 (2017): June 2017
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v17i2.361

Largehead hairtail (Trichiurus lepturus) is one commodity fish catches with high production and value in Yogyakarta. The purpose of this research is to analyse reproductive aspects of this fish in coastal area of Bantul Regency. Yogyakar-ta. Those aspects are gonadal maturity level, fecundity, and the length at the first gonadal maturity. Fish samples are taken from the catch of fisherman using gillnet with a mesh sizes of 1.75 and 2 inches in the coastal fishing port of Depok and Samas. The fish collected from January to April 2016 with at least 30 individuals every two weeks. The samples are identified to find their sex and measured to know the length, weight, and gonadal maturity level (TKG). The data analyzed include length distribution, weight, sex ratio, gonadosmoatic index, length at the first gonadal maturity (Lm), fecundity and oocyte diameter. The result shows the fish length varies between 52.8 and 86.2 cm, and weight 115 and 567.2 g. The sex ratio between male and female was 1:0.6. Gonad maturity stage II and III are found every month observation while gonad maturity stage IV found in April. Oocyte diameter in the stage of gonadal ma-turity IV was 0.35-1.02 mm, there were two distribution modus so that the spawning expected partial spawner with fec-undity of 24.601 eggs with range was 12.873-33.534 eggs. Fecundity increased as parent’s body length with equation F= 0,434L2.60. Hairtail expected reaching the length of the first gonadal maturity in 65.55 cm, higher than the average captured, namely 63.4 cm. Abstrak Ikan layur (Trichiurus lepturus) merupakan salah satu komoditas hasil tangkapan ikan di Daerah Istimewa Yogyakarta dengan jumlah produksi dan nilai yang tinggi. Penelitian ini bertujuan untuk mengkaji aspek reproduksi yang meliputi: tingkat kematangan gonad, fekunditas, dan ukuran ikan kali pertama matang gonad layur di perairan pantai Kabupaten Bantul, Daerah Istimewa Yogyakarta. Sampel ikan dikumpulkan dari hasil tangkapan nelayan yang menggunakan jaring insang dengan ukuran mata jaring 1,75 dan 2 inci di Tempat Pelelangan Ikan Depok dan Samas. Pengumpulan sampel ikan dilakukan pada bulan Januari hingga April 2016 setiap dua minggu sekali minimal 30 ekor. Sampel ikan diidentifikasi jenis kelamin, diukur panjang, bobot tubuh, bobot gonad, dan tingkat kematangan gonad (TKG). Data yang dianalisis meliputi sebaran panjang, bobot, nisbah kelamin, indeks kematangan gonad, ukuran ikan kali pertama matang gonad (Lm), fekunditas, dan diameter telur. Hasil pengamatan menunjukkan kisaran panjang ikan 52,8-86,2 cm dan bobot 115-567,2 g, nisbah betina dan jantan sebesar 1 : 0,6. TKG II dan III ditemukan pada setiap bulan pengamat-an sedangkan TKG IV banyak ditemukan pada bulan April. Diameter telur ikan TKG IV berkisar 0,35-1,02 mm, terda-pat dua modus persebaran sehingga pemijahan diduga bertahap dan fekunditas sebanyak 24.601 butir dengan kisaran 12.873-33.534 butir. Fekunditas meningkat seiring panjang tubuh induk dengan persamaan F = 0,434L2,60. Ukuran ikan layur kali pertama matang gonad diperkirakan pada panjang 65,55 cm, lebih panjang daripada ukuran rata-rata tertangkap, yaitu pada 63,4 cm.

Polychromatic, sexual dimorphism and redescription species of red devil Amphilophus Amarillo [Stauffer & McKaye, 2002] in Sermo Reservoir, Yogyakarta Sitty Ainsyah Habibie; Djumanto Djumanto; Murwantoko Murwantoko
Jurnal Iktiologi Indonesia Vol 18 No 1 (2018): February 2018
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v18i1.375

Red devil has been extensively researched due to extremely high morphometric and chromatophore variations, including the phenomena of polychromatic and trophic polymorphism. The purpose of this study was to identify and observe the phenomenon of sex dimorphism that occurs in polychromatic red devil species which caught in Sermo Reservoir. Fish sample as much as 240 individual was collected from fishermen catch during November 2016-September 2017 by using gill nets, cest nets, and fishing rods. Subsequently, the fish sample was grouped based on color and sex, the namely group of red devil red, red devil black, and red devil reddish black. The morphometric character data of 21 units were measured in each fish sample, whereas the DNA samples were taken from the gill tissue on each species of two individuals. The morphometric character data was analyzed for discriminant distance, while DNA was analyzed by BLAST (Basic Local Allignment Search Tools) from NCBI. The result of the principal component analysis and discriminant function showed the three group of fish can be distinguished by the characters around the head. The T-test of male and female morphometric characters in each fish group showed the phenomenon of sex dimorphism. Canonical and dendrogram diagrams consistently classify the three group of fish as the same species but are segregated by sex so that significantly dimorphism occurs. The mitochondrial sequencing results of the DNA control region show that among the red devil fish group found in the Sermo Reservoir is a species of A. amarillo. Abstrak Red devil telah banyak diteliti karena variasi morfometrik dan kromatofora yang sangat tinggi, termasuk di dalamnya fenomena polikromatisme dan trofik polimorfisme. Penelitian ini bertujuan untuk mengamati polikromatik dan dimor-fisme seksual serta mengidentifikasi spesies red devil di perairan Waduk Sermo Yogyakarta. Contoh ikan sebanyak 240 ekor diambil dari hasil tangkapan nelayan selama bulan November 2016-September 2017 dengan menggunakan jaring insang, jala dan pancing. Selanjutnya contoh ikan dikelompokkan berdasarkan warna dan jenis kelamin, yaitu kelompok red devil merah, red devil hitam, dan red devil merah kehitaman. Data karakter morfometrik sebanyak 21 unit diukur pada setiap contoh ikan, sedangkan contoh DNA diambil dari jaringan insang pada masing-masing kelompok ikan seba-nyak dua ekor. Data karakter morfometrik dianalisis pembedanya, sedangkan DNA dianalisis dengan BLAST (Basic Local Allignment Search Tools) dari NCBI. Hasil analisis komponen utama dan fungsi diskriminan menunjukkan ketiga kelompok ikan dapat dibedakan berdasarkan karakter yang berada di sekitar kepala. Uji t terhadap karakter morfome-trik jantan dan betina pada masing-masing kelompok ikan menunjukkan fenomena dimorfisme seksual. Diagram kanonikal dan dendrogram konsisten mengelompokkan ketiga kelompok ikan tersebut sebagai spesies yang sama, namun terpisah berdasarkan jenis kelamin sehingga sangat nyata terjadi dimorfisme. Hasil sekuensing mitokondria DNA control region menunjukkan seluruh kelompok ikan red devil yang ditemukan di Waduk Sermo merupakan spesies Amphilophus amarillo.

Penapisan Kapang Laut Penghasil Senyawa Sitotoksik dari Beberapa Perairan di Indonesia Muhammad Nursid; Ekowati Chasanah; Murwantoko Murwantoko; Subagus Wahyuono
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 6, No 1 (2011): Juni 2011
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jpbkp.v6i1.89

ABSTRACTMarine-derived fungi have proven to be a rich source of cytotoxic compounds for the development of new anti cancer drugs. The aims of this research were to: 1) screen cytotoxic activity of marine fungi from Indonesian waters, 2) indentify marine fungus that produced thatproduced the most active cytotoxic compound and 3) investigate inhibition concentration 50 (IC50) value of cytotoxic compound. The fungi were isolated from marine organism collected fromWakatobi Marine National Park-South East Sulawesi, Binuangeun Beach-Banten, Manado watersNorth Sulawesi and Kepulauan Seribu Marine National Park-Jakarta. Liquid cultures of the fungiwere carried out in Malt Extract Broth and Soluble Starch Soytone medium for 4 weeks at 27–28oC without shaking. Molecular identification of fungus was conducted through PCR amplificatin usingprimers of ITS1 and ITS4 primer. Cytotoxic activity of the extract was tested by using MTT (3-(4.4-dimethylthiazol-2-yl)-2.5-diphenyl-tetrazolium bromide) method. The MTT test showed that MFW39strain exhibited the strongest cytotoxic activity. Molecular identification revealed that MFW39 marine fungus was similar to Emericella nidulans with precent identity of 99%. Mycelium and broth extract of MFW39 fungus inhibited the growth of T47D cell with IC 50 values of 21.9 and 169.3 µg/mL, respectively. Further research will be focus on to the strain of MFW39 marine fungi.

Isolasi Senyawa Sitotoksik dari Kapang Emericella nidulans Muhammad Nursid; Ekowati Chasanah; Murwantoko Murwantoko; Subagus Wahyuono
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 6, No 2 (2011): Desember 2011
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jpbkp.v6i2.404

Kapang laut dikenal sebagai sumber penting metabolit farmakologi aktif. Penelitian ini bertujuan untuk mengisolasi senyawa sitotoksik dari kapang laut Emericella nidulansyang diisolasi dari ascidia Aplidium longithoraxdari Taman Nasional Laut Wakatobi, Sulawesi Tenggara. Kapang dikultivasi pada labu 3 L sebanyak 20 labu, masing-masing mengandung 1 L media SWS (mengandung 1% pati dapat larut, 0,2% pepton soya, dan 1 L air laut) dan diinkubasi dalam kondisi statis pada suhu 27–28oC selama 5 minggu. Miselium kapang diekstraksi dengan campuran pelarut diklorometan–metanol (1 :1 v/v) sebanyak 3 kali. Fraksinas i dilakukan dengan menggunakan kolom vakum SiO2 2 x 12 cm dan isolasi dilakukan dengan menggunakan kromatografi lapis tipis preparatif. Uji sitotoksik dengan metode MTT (3-(4,4-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide) terhadap pertumbuhan sel T47D, digunakan sebagai panduan dalam proses isolasi. Senyawa sitotoksik berhasil diisolasi dari ekstrak miselium, terelusi pada menit ke-15 pada kromatogram kromatografi cair kinerja tinggi. Senyawa ini memiliki aktivitas sitotoksik dengan nilai IC50 sebesar 6,3 µg/mL.

Size Distribution and Length-Weight Relationship of Red Snapper (Lutjanus malabaricus) in Pinrang Waters Regency of Pinrang Nuraeni L Rapi; Mesalina Tri Hidayani; Djumanto Djumanto; Murwantoko Murwantoko
Agrikan: Jurnal Agribisnis Perikanan Vol 12, No 2 (2019)
Publisher : Sangia Publishing

Fisheries activities red snapper in Pinrang waters is considered to be a small scale and caught with that variety of types instrument catch fish (multi gears) one of them is bubu fishing gear. Now, the level of the utilization of red snapper is believed to have been experience symptoms of over fishing due to the high pressure in the area. The study aims to analyze the size structure and length-weight correlation of red snapper (Lutjanus sp). The study was conducted during 5 months of period, starting from March to July 2019 in Pinrang waters, Pinrang District. The sample of the fish obtained by fishermen using ‘Bubu’ fishing gear. The results showed that the total length structure of males and females of the red snapper was ranging from 32 - 57 cm, while the weight structure of males and females of the red snapper had a wide range from 500 to 2500 grams. The total sample of the red snapper is 163 divided into 68 males and 95 females. The growth pattern of red snapper can be categorized in a negative allometric type with a value of b = 2.3328 which means that the length increased faster than the weight gain.

Metode Loop-Mediated Isothermal Amplification (LAMP) dan Aplikasinya untuk Deteksi Penyakit Ikan Murwantoko Murwantoko
Jurnal Perikanan Universitas Gadjah Mada Vol 8, No 1 (2006)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.156

Polymerase chain reaction (PCR) is a method that amplifies DNA which have been widely used in molecular biology technique. Based on the PCR, many methods have been developed on isothermal condition and the useful one is loop-mediated isothermal amplification of DNA (LAMP). LAMP reaction employs a Bst DNA polymerase and a set of four specific primers that recognizes a total of six distinct sequences of the target DNA and produces amount of different size of DNA. Many advantages have been achieved in LAMP such as the simple equipment for reaction and observation, short time, highly specific and sensitive procedure. LAMP has been used as a tools for detection many pathogens for human, animals and plants. Some fish pathogens as parasites, bacteria and viruses have been detected by LAMP. The principles and application of LAMP method are discussed in this paper.

PENGEMBANGAN METODE LOOP-MEDIATED ISOTHERMAL AMPLIFICATION OF DNA DAN APLIKASINYA UNTUK DETEKSI KOI HERPES VIRUS PADA BEBERAPA JENIS IKAN Murwantoko Murwantoko; Triyanto Triyanto; Dimas A. Pamungkas
Jurnal Perikanan Universitas Gadjah Mada Vol 12, No 2 (2010)
Publisher : Universitas Gadjah Mada

The purposes of this experiment were to establish loop-mediated isothermal ampliﬁcation of DNA ( LAMP) method and its application to observe the presence and duration of koi herpes virus ( KHV) in freshwater ﬁshes after infection. The infection was carried out using 4-6 cm length of java barb (Barbodes gonionotus), grass carp (Ctenoparingodon idella), gold ﬁsh (komet) (Carassius auratus), tambaqui (Colossoma macropomum) and koi (Cyprinus carpio koi) ﬁshes. Fishes were infected intraperitoneally with KHV inoculums and 2 ﬁshes were sampled everyday. DNA was extracted from gill and used for diagnosis with LAMP assays. The result of this experiment showed LAMP assay can be established and gave 100 times more sensitive than conventional PCR assay. Koi was conﬁrmed as a host of KHV. Java barb, tambaqui, gold ﬁsh and grass carp can serve as vector for KHV and the presence of KHV was detected in java barb and tambaqui for 4 days, goldﬁsh and grass carp for 5 days after infection.

GENETIC GAIN DAN DIFFERENTIAL SELECTION CALON INDUK NILA PUTIH (Oreochromis sp.) JANTI STRAIN SINGAPURA F5 UMUR 5 BULAN YANG DIPELIHARA DI KOLAM AIR DERAS Yuliana S. Rahayu; Bambang Triyatmo; Murwantoko Murwantoko; Toni Kuswoyo
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 1 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9099

The purpose of this research was to observe the genetic gain value of 5 months white tilapia breeders of ﬁ fth generation (F5) Singapore strain (ss) Janti compared with fourth generation (F4) and to revealed the differential selection value of 5 months white tilapia breeders of F5 ss Janti from average weight of top 100 compared to average weight of the population. Research was done for 5 months white tilapia (Oreochromis sp.) breeders of F5 ss Janti. The tilapia cultured in running water system for a month. The research performed for 5 months white tilapia breeders of ss Janti through individual selection method (selective breeding). The white tilapia breeders ss strain used in this research consisted of 400 male and 400 female. The selection of the white tilapia was done randomly. Parameter measured included total weight, length, survival rate, feed amount and water quality for culturing. The result showed that the F5 had increased growth weight of each individual with genetic gain value against the F4 was 30.12 % for the male and 27.92 % for female. The genetic gain value was better than several other selective breeding of tilapia before. The top 100 average weight of the 5 months white tilapia Janti breeders of F5 ss strain (184.03 ± 22.87 g to 224.88 ± 24.31 g) was higher than average weight of the population (131.27 ± 38.98 g to 163.31 ± 47.17 g). The differential selection value of white tilapia breeders was 37.70 g for male and 40.19 g for female. The weight of male tilapia population was less various than female ones.

ISOLASI, KARAKTERISASI, DAN PATOGENITAS BAKTERI PENYEBAB PENYAKIT PADA GURAMI (Osphronemus goramy) DI KABUPATEN BANTUL Murwantoko Murwantoko; Rozi Rozi; Indah Istiqomah; Kamiso H. Nitimulyo
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 2 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9102

Gouramy (Osphronemusgoramy) is an important ﬁsh comodity and preferred to be consumed by people. One of the limiting factor in freshwater aquaculture is bacterial infections. The objective of this research was to identify the species of pathogenic bacteria on gourami from Bantul Regency and to determine their pathogenicity. Eighteen diseased gouramy were collected from seven different ﬁ sh farms. Bacteria were isolated from kidney and purifyon TSA medium. Characterization was conducted on the morphology of bacterial colonies and cells, biochemical tests. Koch Postulate Test was done to conﬁrm pathogenic properties of the isolated bacteria. Pathogenicity test was performed by intraperitoneal injection of a serial doses of bacteria into gouramy and the Lethal Dosage 50 (LD50) was calculated. Twenty isolates of Aeromonas hydrophila, 5 isolates of Aeromonas salmonicida and one isolate of Vibrio cholerae,Vibrio anguillarum and Pseudomonas ﬂuorescens respectively were isolated from and conﬁ rmed as pathogen ingouramy. Pathogenic diversity was found among isolated bacteria, which a group of virulent bacteria as Aeromonas hydrophila GBNB, GGRB, and GCMA3 with LD50 values of 6.28 x 105, 2.09 x 105 and 5.37 x 105 CFU /ﬁsh; and a group of non virulent bacteria as A. hydrophila GKRA isolate and Vibrio cholera GPDA isolat with LD50 value of 7.14 x 107 and 3.45 x 107 CFU/ﬁsh respectively.

ISOLASI DAN IDENTIFIKASI BAKTERI Aeromonas sp. DARI LELE DUMBO (Clarias sp.) DI KABUPATEN NGAWI Sri Rejeki; Triyanto Triyanto; Murwantoko Murwantoko
Jurnal Perikanan Universitas Gadjah Mada Vol 18, No 2 (2016)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.26917

African catfish (Clarias sp.) is one of important freshwater fish which prefer consumed by people due to many advantages. Aeromonas sp. bacteria are dangerous patogen for freshwater fishes. This objective of the research was to isolate, identify and determine pathogenicity of Aeromonas sp. bacteria from African catfish from District Ngawi. The samples of catfish with 20 - 25 cm length showing clinical signs disease were obtained from three sub districts. Bacteria were isolated from kidney and inoculated into GSP medium. Characterization and identification through morphology of bacterial colonies, cells and biochemical test. Postulate Koch was conducted to verify abaility to couse disease. Pathogenicity was analyzed by determination of value of Lethal Dosage-50 on catfish on 7 - 9 cm length. The result showed that the disease symptoms of fish infected by the bacteria were skin ulcer, abdominal swelling and kidney damage. Fifteen bacterial isolates were collected which five, six and four isolates were from Kecamatan Karang Jati, Geneng dan Paron.sub-district respectively. The result showed 12 isolates (GKJ1, GKJ3, GKJ4, GGN1, GGN2, GGN3, GGN4, GGN5, GGN6, GPR2, GPR3 and GPR4) were identified as Aeromonas hydrophila. Three isolates (GKJ2, GKJ5 and GPR1) were identified as A. salmonicida. Isolate of A. hydrophila GKJ1, GKJ4, GGN2, GGN5, GPR2 and GPR4 were virulent to African catfish with LD50 values of 1,55 x 105, 3,89 x 105, 7,24 x 105, 2,39 x 105, 6,61 x 104 and 1,95 x 104 cfu/fish.

Co-Authors . Triyanto Adhimas Febri Aryantojati Alifia, Frida Alim Isnansetyo Alim Isnansetyo ALIM ISNANSETYO Anshory, Lutfi Aushia Tanzih Al Haq Bambang Triyatmo Cahya Kurnia Fusiyanto Ch. Retna Handayani Chio Oka Chio Oka, Chio Christina Retna Handayani Christina Retna Handayani, Christina Retna Condro, Sri Laksono Dewi Nur'aeni Setyowati Dewi Susanti Dimas A. Pamungkas Djumanto Djumanto Djumanto Djumanto Dwi Lantiani Eka Diniarti Eko Setyobudi Eko Suyanto Ekowati Chasanah EKOWATI CHASANAH Gemi Triastutik Handayani, Desy Putri Herath, Tharangani Hidayani, Mesalina Tri Hidayat, Hanindya Fairuzia INDAH ISTIQOMAH Indah Istiqomah Iradukunda, Joas Ismail, Norshida JAKA WIDADA Kamiso H. Nitimulyo Kolokaring, Priscilla Yolanda Pramesti Latifah, Ma'rufa Nurul Lusiana, Lusiana Lutfi Anshory Lutfi Anshory Mahasin, Faiz Masashi Kawaichi Masashi Kawaichi Masashi Kawaichi, Masashi Melki Melki Mesalina Tri Hidayani Muhammad Nursid MUHAMMAD NURSID Murti, Fauziah Arelia Usmiara Namastra Probosunu Nani S. Rahayu Nastiti Wijayanti Ngurah S. Yasa Ngurah Sedana Yasa Niken Astuti, Niken Niken S. N. Handayani Niken S.N. Handayani Nur Lailatul Fitrotun Nikmah Nuraeni L Rapi Praditha Novianingrum Rarastoeti Pratiwi Rarastoeti Pratiwi Ratih Ida Adharini Ristyana Dewi Hernawati Riza Yuliratno Setiawan Roosita Diana Rozi Rozi Sasmitha Ritonga, Putri Senny Helmiati Sitty Ainsyah Habibie Sri Rejeki Subagus Wahyuono Subagus Wahyuono Subagus Wahyuono Sutopo A. Wibowo Syakuri, Hamdan Syarifah, Rizka Fauziana T. Trijoko Toni Kuswoyo Tony Budi Satriyo Tri Hidayani, Mesalina Triastutik, Gemi Triyanto . Triyanto Triyanto Triyanto Triyanto Yani Lestari Nuraini Yani Lestari Nuraini, Yani Lestari Yasa, Ngurah Sedana Yasir Saifur Rahman Yuliana S. Rahayu Zafran, Zafran

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