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Analisis Laju Pertumbuhan Benih Ikan Kerapu Macan (Epinephelus fuscoguttatus) dengan Jenis Pakan Berbeda di Balai Budidaya Lampung Berliana Iksy Della; Tengku Zia Ulqodry; Wike Ayu Eka Putri
Jurnal Penelitian Sains Vol 21, No 3 (2019)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.054 KB) | DOI: 10.56064/jps.v21i3.543

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Ikan kerapu macan (Epinephelus fuscoguttatus) merupakan ikan yang mempunyai nilai ekonomis penting karena harganya yang relatif tinggi dan mempunyai prospek untuk dibudidayakan. Salah satu faktor yang menentukan keberhasilan budidaya ikan adalah ketersediaan pakan. Tujuan penelitian ini adalah menganalisis kandungan gizi pada pakan dan Ikan, menganalisis laju pertumbuhan benih ikan dan menganalisis jenis pakan terbaik  untuk pertumbuhan benih ikan kerapu macan. Penelitian ini dilaksanakan pada Tanggal 10 Febuari – 20 Maret 2018 di Laboratorium Balai Besar Pengembangan Budidaya Laut (BBPBL) Lampung. Metode yang digunakan dalam peneltitian ini adalah metode eksperimen pada skala laboratorium. Penelitian ini menggunakan 1 jenis pakan pabrik (Pellet Growper = A) sebagai pakan kontrol dan 2 jenis pakan formulasi mandiri (Pellet formulasi 46 = B dan 48 = C) sebagai pakan uji. Pengukuran kualitas air dilakukan setiap 10 hari pemeliharaan, meliputi pengukuran suhu, pH, oksigen terlarut, amoniak dan salinitas. Hasil dari penelitian ini didapatkan bahwa laju pertumbuhan ketiga pelet secara berurutan dari rendah ke tinggi yaitu pelet  B sebesar 27,00%, pelet C sebesar 26,88% dan pelet A sebesar 28,33%. Pakan terbaik terdapat pada pelet A yaitu kontrol dengan retensi protein 41,933%, lemak 11,072%, serat 1,180% dibandingkan dengan kedua pelet dengan formulasi 46 dan 48 jenis pakan mandiri.
Akumulasi Logam Berat Zn dan Pb pada Sedimen, Akar dan Daun Mangrove Avicennia alba di Pulau Payung, Sumatera Selatan Ida Riyanti; Wike Ayu Eka Putri; Tengku Zia Ulqodry; Tiara Santeri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1122.663 KB) | DOI: 10.33230/JLSO.8.2.2019.423

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Riyanti I, Putri WAE, Ulqodry TZ, Santeri T. 2019. Accumulation of heavy metal Zn and Pb in sediment, root and leaves of mangrove Avicennia alba in Payung Island, South Sumatra. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):141-147. Various industrial activities or natural activity in the Musi River, might contribute to the heavy metals input in mangrove area of Payung Island. The purpose of this study was to analyze the concentration of  heavy metals zinc (Zn) and lead (Pb) in sediment, root and leaves of mangrove A. alba. This research was conducted in January 2018. Analysis of heavy metal used Atomic Absorption Spectrophotometry (AAS). The results indicated that Zn concentration of sediment (13.35-22.61 mg/kg) and Pb (0.14-3.17 mg/kg), was still in quality standard level. Zn concentration in roots was 0.45-4.95 mg/kg and in leaf was Zn 2.46-12.76 mg/kg, while Pb on root and leaves was not detected.  The value of BCF roots, leaf BCF and TF values were 0.15-0.24 ; 0.30-0.59 ; and 1.69-2.47, respectively. The results of this study indicated that mangrove A. alba in Payung Island as moderate accumulator plants category, and plants could transmit heavy metals effectively.
Concentration of Heavy Metals (Pb and Cu) in Alepes vari and Johnius belangerii from Musi River Estuary, Banyuasin District, South Sumatra Fitri Agustriani; Anna Ida Sunaryo Purwiyanto; Wike Ayu Eka Putri; Fauziyah Fauziyah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.797 KB) | DOI: 10.33230/JLSO.8.2.2019.447

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Agustriani F, Purwiyanto AIS, Putri WAE, Fauziyah. 2019. Concentration of heavy metals (Pb and Cu) in alepes vari and johnius belangerii from musi river estuary, Banyuasin district, South Sumatra. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):213-219. The Musi river estuary plays an important role as one of the fishing grounds. The high activity in the musi estuary has an impact on the ecosystems in this region, including the negative impact in the form of ecosystem changes caused by heavy metals. The aim of this study was to determine the concentrations of heavy metals (Pb and Cu) in Alepesvariand Johniusbelangerii in the Musi river estuary. Fish were obtained from fishermen who used the Gillnet Millennium (Ply) gear in July 2018 and were analyzed using the Atomic Absorption Spectrophotometer (AAS). The results showed that the concentration of  Pb  in J. belangerii was greater than A. vari, but the concentration of Cu  in  A. vari  was greater than in  J. belangerii. Concentration of  Pb has exceeded the limit for safe consumption based on National Agency of Drug and Food Control.
Biodiversity of Fishes in Musi Estuary, South Sumatra, Indonesia Fitri Agustriani; Anna Ida Sunaryo Purwiyanto; Wike Ayu Eka Putri; Fauziyah Fauziyah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 9 No. 2 (2020): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.9.2.2020.505

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Agustriani F, Purwiyanto AIS, Putri WAE, Fauziyah F. 2020. Biodiversity of fishes in musi estuary, South Sumatra, Indonesia.  Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9(2): 192-198.The high activity in the Musi estuary will have an impact on fishes diversity. This research aimed to analyse the biodiversity of fishes in the Musi estuary in South Sumatra. An experimental fishing method was used for data collection by fishing ground following the local fishermen habit using gillnet millennium. The abundance of fish species found were 21 species and 16 families. The main catch was Hemibagrus nemurus with a high relative abundance (RA) of 35.4% but the high availability frequency of 100% is Eleutheronema tetradactylum. The average value of the moderate diversity index (H'= 1.47), the moderate evenness index (J'= 0.48) and the low dominance index (D= 0.32). This condition shows that the community structure of the species captured by the gill net is in a fairly stable condition with the number of species that are spread fairly evenly and no species dominate each other.
CONCENTRATION HEAVY METALS (Cu AND Pb) IN MUSI RIVER ESTUARY Wike Ayu Eka Putri; Dietriech G. Bengen; Etty Riani
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 7 No. 2 (2015): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (366.508 KB) | DOI: 10.29244/jitkt.v7i2.10993

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The Musi River is one of the biggest river of twelve big rivers in South Sumatra Province. Water quality of this river affects the water quality in the estuary and biological health in its surrounding so that it is important to determine the Cu and Pb concentrations. The purposes of this study were to analize distribution of heavy metals (Cu and Pb) and to determine the water quality status in March and September 2014. The water and sediment samples were collected from eight stations along the Musi River from downstream to the estuary. Heavy metal concentration was analized by employing USEPA 30050B method using AAS Spektra plus variant with air mixure flame – acetylene. Dissolved Cu and Pb concentrations in March were 0,002 - 0,006 mg/l and 0,002-0,003 mg/l, respectively, while in September were 0,001-0,010 mg/lfor Cu and 0,001-0,005 mg/lfor Pb. Cu and Pb concentrations in sediment detected in March were 6,92-16,4 mg/l and 1,9-11,4 mg/l, respectively, while in September were  2,3-13,9 mg/l for Cu and 4,29-9,95 mg/l for Pb. Student test analysis showed that was no significant differences between Pb and Cu concentrations (dissolved and sediment) between March and September. Generally, the concentration of heavy metals Cu and Pb in Musi River estuary were still below specified quality standards.Keywords: heavy metal, Cu, Pb, the Musi River, estuary
Cu AND Pb CONCENTRATIONS IN WATER COLUMN AND PLANKTON OF DOWNSTREAM SECTION OF THE MUSI RIVER Wike Ayu Eka Putri; Anna Ida Sunaryo Purwiyanto
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.43 KB) | DOI: 10.29244/jitkt.v8i2.15841

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A wide range of the Musi river usage such as agricultural, forestry, industry, residential, fishing and transport activities has created a heavy metal pollution isues. This research aims to know the concentration of Cu and Pb in the water column (suspended and dissolved) and also on planktons found at downstream of Musi River. Water and plankton sampling was carried out in January and May 2015 across five research stations. Cu and Pb in water and plankton samples were analyzed using the USEPA 30050B method determined by using AAS SpektrAA plus variant with air mixure flame – acetylene. The average concentration of dissolved Cu and Pb were varied from 0.003-0.005 mgL-1and 0.002-0.004 mgL-1, respectively. A higher value was observed during the suspended phase which came to around 8.60-31.79 mgKg-1 for Cu dan 21.23-61.5 mgKg-1 for Pb. Furthermore, Cu and Pb concentration in plankton were varied from 1.046-2.430 mgKg-1 and 0.673-1.283 mgKg-1, respectively.
KONDISI NITRAT, NITRIT, AMONIA, FOSFAT DAN BOD DI MUARA SUNGAI BANYUASIN, SUMATERA SELATAN Wike Ayu Eka Putri; Anna Ida Sunaryo Purwiyanto; . Fauziyah; Fitri Agustriani; Yulianto Suteja
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 11 No. 1 (2019): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (547.775 KB) | DOI: 10.29244/jitkt.v11i1.18861

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ABSTRAKPesisir Banyuasin merupakan salah satu sentra perikanan tangkap di Provinsi Sumatera Selatan. Kawasan ini menyimpan potensi sumber daya perikanan yang harus dijaga kelestariannya. Banyak nelayan yang menggantungkan hidupnya di kawasan ini, hanya saja ragam pemanfaatan di sepanjang aliran Sungai Banyuasin seperti pemukiman, industri, pertanian dan transportasi telah mempengaruhi kualitas perairan. Penelitian ini bertujuan untuk mengkaji bagaimana kondisi nitrat, nitrit, amonia, fosfat dan BOD di Pesisir Banyuasin. Pengambilan sampel dilakukan pada bulan September 2017 meliputi 22 stasiun penelitian, analisa sampel dilakukan di Laboratorium Balai Riset dan Standardisasi Industri (Baristand) Palembang merujuk pada SNI. Hasil penelitian menunjukkan konsentrasi nitrat selama penelitian berkisar antara 0,025-3,21 mg/L, nitrit 0,002-0,093 mg/L, amonia 0,002-0,031 mg/L, fosfat 0,011-0,231 mg/L dan BOD 2,14-8,73 mg/L. Konsentrasi nitrat dan fosfat telah melebihi baku mutu yang ditetapkan, adapun untuk parameter nitrit, amonia dan BOD masih dibawah baku mutu. ABSTRACTCoastal of Banyuasin is one of the centers of capture fisheries in South Sumatra Province. This area had the potential of fisheries resources that must be preserved. Many fishermen are depend their lives on this area, but some activity along Banyuasin River such as settlement, industry, agriculture and transportation has affected the quality of water. This study aims to examine the conditions of nitrate, nitrite, ammonia, phosphate and BOD in the Coastal of Banyuasin. Sampling was conducted in September 2017 covering 22 research stations, sample analysis conducted at Palembang Institute for Industrial Research and Standaritation Laboratory refers to SNI. The results showed that the concentration of nitrate during the study ranged from 0.025-3.21 mg.L-1, nitrite 0.002-0.093 mg.L-1, ammonia 0.002-0.031 mg.L-1, phosphate 0.011-0.231 mg.L-1and BOD 2.14-8.73 mg.L-1. The concentration of nitrate and phosphate in Banyuasin River estuary were exceeded quality standards while nitrite, ammonia and BOD were still below specified quality standards.
PERUBAHAN GARIS PANTAI DI PERAIRAN MUARA BANYUASIN KAITANNYA DENGAN SEDIMENTASI M. Andrian Putra Pratama; Beta Susanto Barus; Wike Ayu Eka Putri
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (899.514 KB) | DOI: 10.29244/jitkt.v12i1.28276

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The estuary waters of the Banyuasin River are one of the river estuary waters that is affected by the sedimentation process. This area gets a big influence from land input. This study aims to analyze the changes in the coastline in Muara Banyuasin Waters, South Sumatra associated with sediment characteristics and sedimentation rates. This research was conducted in October 2018 and sampling was carried out by installing sediment traps for 14 days. Samples were taken once a week and then the rate of sediment accumulation were calculated. Analysis of coastline changes is done using image data processing with a span of 5 years using ErMapper 7.0 software. The results of image data processing are discussed descriptively with sedimentation rates and sediment characteristics. The results showed that the predominant characteristics of sediments were clay and silt with sediment accumulation rates ranging from 2.06 kg/m2/day-6.55 kg/m2/day. The estuary waters of the Banyuasin River undergo a change in coastline in the form of sedimentation and abrasion. Sedimentation occurred at 6 stations while abrasion occurred at 2 stations. Coastline changes are ranged ±33 m-±322 m. Stations that experience high coastline changes are characterized by high sedimentation rates and subtle dominant substrate types (silty clay). Whereas areas that experience low coastline changes have low sedimentation rates with coarser substrate types (sandy silt).
Pembuatan Biogas dari Rumput Laut Jenis Caulerpa racemosa dan Sargassum duplicatum sebagai Bahan Energi Alternatif Andrian Saputra; Wike Ayu Eka Putri; Riris Aryawati
Maspari Journal : Marine Science Research Vol 3, No 2 (2011): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (318.118 KB) | DOI: 10.36706/maspari.v3i2.1316

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Seaweed has economic value that is very important for humans. Several years ago, only seaweed used as human food ingredients. Given the many types of seaweed are still not popular yet widely used and Along with the progress of science and technology, utilization of seaweed has expanded in various fields, including one uses seaweed as an ingredient of biogas alternative energy. The purpose of this study was to determine the potential of seaweed species Sargassum duplicatum and Caulerpa racemosa for the manufacture of biogas as a new alternative energy sources and to know the pressure of gas contained in a type of seaweed Sargassum duplicatum and Caulerpa racemosa as a new alternative energy sources. This research was conducted in June-September 2010. Samples were taken in waters around Lampung Marine Aquaculture Development Center. Making biogas process is conducted at the Laboratory of Marine Science. Faculty of Mathematics and Natural Sciences, Sriwijaya University. The method used is a laboratory experimental methods. Making biogas is done by collecting seaweed and beach sediments as seedman making, preparation of the digester and the making of starter and stuffing, were examined by using biogas pressure manometer U for three months, analyze the data descriptively biogas pressure. Based on the results of research in getting the peak pressure for this type of seaweed Sargassum duplicatum is 15.47 psi, 16.05 psi and 16.43 while to get the type of Caulerpa racemosa in the peak pressure of 15.42 psi, 15.88 psi and 16, 43 psi. Keywords: Seaweed, Biogas, Sargassum duplicatum, Caulerpa racemosa,  Biogas pressure. ABSTRAK Rumput laut memiliki nilai ekonomis yang sangat penting bagi manusia. Beberapa tahun yang lalu, rumput laut hanya dimanfaatkan sebagai bahan makanan manusia. Mengingat masih banyaknya jenis rumput laut tidak popular yang belum banyak dimanfaatkan dan sering dengan kemajuan sains dan teknologi, pemanfaatan rumput laut telah meluas di berbagai bidang, termasuk salah satunya pemanfaatan rumput laut sebagai bahan energi alternatif yaitu biogas. Tujuan penelitian ini adalah mengetahui potensi rumput laut jenis Sargassum duplicatum dan Caulerpa racemosa untuk pembuatan biogas sebagai sumber energi alternatif  baru serta mengetahui tekanan gas yang terdapat dalam rumput laut jenis Sargassum duplicatum dan Caulerpa racemosa sebagai sumber energi alternatif baru. Penelitian ini dilaksanakan pada bulan Juni – September 2010. Pengambilan sampel dilakukan di  sekitar perairan Balai Pengembangan Budidaya Laut Lampung. Proses Pembuatan biogas itu sendiri dilakukan di Laboratorium Dasar Ilmu Kelautan. Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya. Metode yang digunakan adalah metode eksperimental laboratoris. Pembuatan biogas ini dilakukan dengan cara pengumpulan rumput laut dan pengambilan sedimen pantai sebagai penyemai, penyiapan digester serta pembuatan starter dan isian. Dilakukan pengamatan tekanan biogas dengan menggunakan manometer U selama tiga bulan. Analisa data tekanan biogas dilakukan secara deskriptif. Berdasarkan hasil penelitian di dapatkan tekanan puncak untuk jenis rumput laut
Analisis Kualitas Perairan Muara Sungai Way Belau Bandar Lampung Nidia Nova Riena; Wike Ayu Eka Putri; Fitri Agustriani
Maspari Journal : Marine Science Research Vol 4, No 1 (2012): Edisi Januari
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.927 KB) | DOI: 10.36706/maspari.v4i1.1436

Abstract

Estuary Way Belau is a residential area with high population. Utilization of Way Belau River diverse enough so that water river estuary Way Belau has decreased the quality of the water environment as reflected in the black color tends to muddy the water and the high sedimentation rate. The purpose of this research was to determine the water quality (water and sediment) in terms of physical and chemical parameters Estuary Way Belau Bandar Lampung. The research in the Estuary Way Belau of Bandar Lampung had been held in June 2010 to August 2010. The results showed that the measurement of physical and chemical conditions generally still in quality standard (Kepmen No. 51/MENLH/2004) and marine water quality management and pollution control (PP No. 82 Tahun 2001). Characteristics of the fraction of sediment in the estuary Way Belau fraction is dominated by sand with organic matter content of the total average in research stations ranged from 0.68 to 5.41%, the average nitrate content ranged from 2.4 to 14.4 ppm and the sediment pH ranged from 6.58 to 7.47.   Key words : estuary Way Belau,  sediment, water quality   ABSTRAK Muara Sungai Way Belau adalah daerah pemukiman dengan jumlah penduduk yang tinggi. Pemanfaatan sungai Way Belau cukup beragam sehingga perairan muara Sungai Way Belau mengalami penurunan kualitas lingkungan perairan yang tergambar dari warna perairan keruh cenderung hitam serta tingkat sedimentasi yang tinggi. Tujuan penelitian ini adalah mengetahui kualitas perairan (air dan sedimen) ditinjau dari parameter fisika dan kimia muara Sungai Way Belau Bandar Lampung. Penelitian dilaksanakan pada bulan Juni-Agustus 2010 di perairan muara Sungai Way Belau Bandar Lampung. Hasil penelitian menunjukan Pengukuran kondisi fisika dan kimia secara umum masih memenuhi standar baku mutu untuk biota laut (Kepmen No. 51/MENLH/2004) dan standar pengelolaan kualitas air dan pengendalian pencemaran (PP No. 82 Tahun 2001). Karakteristik fraksi sedimen di muara Sungai Way Belau didominasi oleh fraksi pasir dengan kandungan bahan organik total rata-rata pada stasiun penelitian berkisar 0,68 - 5,41 %, kandungan nitrat rata-rata berkisar antara 2,4 - 14,4 ppm dan pH sedimen berkisar antara 6,58 - 7,47.   Kata Kunci : kualitas air, muara sungai Way Belau, sedimen
Co-Authors Ade Siswanto Akdhia Besta Sari Amelia Fitriani, Amelia Ananta, Dio Alif Andrian Saputra Andrian Saputra Ani Haryati, Ani Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Annisa Agustina Kurnia Putri Apon Zaenal Mustopa Aranxa, Virly Barus, Beta Susanto Berliana Iksy Della Beta Susanto Barus Beta Susanto Barus Che Abd Rahim Mohamed De Karo, Fransiskus Dianysah, Gusti Dietriech Geoffrey Bengen Dika Ardila Elyakim Sitorus Etty Riani Fajri, M. Awaluddin FAUZIYAH Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fikriyya, Nabela Fitri Agustriani Fitri Meiriyani Gusri, Ariqoh Athallah Gusti Diansyah Gusti Diansyah Gusti Diansyah Gusti Diansyah Gusti Diansyah Harahap, Diny Novita Sari Hartoni Hartoni Hartoni HEDI INDRA JANUAR Heron Surbakti Ida Riyanti Indra Yustian Isnaini Isnaini . Isnaini Isnaini Khotimah, Nadila Nur Kurniawan, Mardian Candra Latupeirissa, Cherokee Mikha-El Lestari, Ning Intan Lidya Grace Lidya Grace Lilik Maslukah M. Andrian Putra Pratama M. Awaluddin Fajri M. Hendri M. Yosi Prasetyo Mardian Candra Kurniawan Mei Ida Susanti Meiriyani, Fitri Meiyerani, Jeni Melki Melki , Melki Melki Melki Melki Melki Melki Moh. Muhaemin Moh. Muhaemin Mohamed, Che Abd Rahim Muhammad Hendri Muhammad Hendri Muhtadi Muhtadi Muhtadi Nadila Nur Khotimah Nadila Nur Khotimah Nidia Nova Riena Ningsih, Ellis Nurjuliasti Novi Anggraini Novi Angraini Novitasari, Tri Ayu Prihatiningsih, Isnaini Rahmad Purnama Rahmad Purnama, Rahmad Raihan, Muhammad Ramadhian, M. Zalfa Ramses Redho Yoga Nugroho Rezi Apri Ria Ariana Riena, Nidia Nova Riris Aryawati Rozirwan . RR. Ella Evrita Hestiandari Santeri, Tiara Sarno . Siddik, Judistira Sitorus, Rijal Suai Batul Aslamiah Tengku Zia Ulqodry Tengku Zia Ulqodry Tjahjo Winanto, Tjahjo Tri Prartono Wahyudi Wahyudi Widiya Nopita Sari Winarta, Yoga Yuanita Windusari Yulianto Suteja Yundari, Yundari Yusni Ikhwan Siregar