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All Journal Inovasi Pendidikan Fisika Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Fisika Unand JFA (Jurnal Fisika dan Aplikasinya) Berkala Ilmiah Pendidikan Fisika Spektra: Jurnal Fisika dan Aplikasinya PENDIPA Journal of Science Education JPF : JURNAL PENDIDIKAN FISIKA Jurnal Ilmu Fisika Indonesian Physical Review Madaniya Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Inovasi Fisika Indonesia (IFI) Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Frida Ulfah Ermawati
Physics Department, Faculty Of Mathematics And Natural Sciences, Universitas Negeri Surabaya
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Characterization of (Mg1.0Zn0.0)TiO3+4 wt%Bi2O3 Ceramics for Application as Resonator in Dielectric Resonator Oscillator Circuit Lailatul Izza; Frida Ulfah Ermawati
Jurnal Ilmu Fisika Vol 13 No 2 (2021): September 2021
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jif.13.2.62-69.2021

Abstract

MgTiO3-based ceramics have potential applications in telecommunications systems at microwave frequencies, such as resonators in dielectric resonator oscillator (DRO) circuits. This paper reports the results of (Mg1.0Zn0.0)TiO3+4wt% Bi2O3 (abbreviated MZT0+4wt%Bi2O3) ceramic fabrication to assess its potential to be used as a resonator in the DRO circuit. We characterized its structure, microstructure, and bulk density. The addition of 4wt%Bi2O3 to MZT0 crystalline powder was carried out via ball-mill. The milled powder was compacted using a die press to obtain pellets. All pellets were sintered at 1100ºC for 4, 6, and 8 h. Ceramic structures of the 4 and 6 h holding time consists of MgTiO3 phase (94.33±2.68) and (95.34±1.95)% molar respectively, while the rest phase was TiO2. The 8-h ceramic structure comprises (96.11±2.94) % molar MgTiO3 accompanied by Mg2TiO5 and TiO2. The ceramics' microstructure consists of a cluster of grains with an average diameter of 1.32-2.24 μm and pores. Bulk density decreases with the increase of sintering holding time. The DRO characterization records a resonance signal each at 5.207, 5.005, and 5.121GHz with power approaching 0 dBm, suggesting that the MZT0+4wt%Bi2O3 ceramics can be used as a resonator in the DRO circuit working in microwave frequencies, especially at 5.0-5.2GHz.
Five-Tier Diagnostic Test Instrument for Uniform Circular Motion Concepts: Development, Validity, Reliability and Limited Trials Nisrina Nur Ramadhani; Frida Ulfah Ermawati
Jurnal Pendidikan Fisika Vol 9, No 1 (2021): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v9i1.4763

Abstract

Students' understanding on Physics concepts could be different from each other. Based on the conceptual diagnostic test, especially in five-tier format, the students' different understanding can be categorized into several conception levels. One of them is misconception. For example, students consider that all objects moving on a circular trajectory called uniform circular motion (UCM). According to the Physics concept, an object in UCM must meet three criteria: an object travels along a circular path, the radius of the path is always fixed, and the object moves at a constant speed. However, a standardized conceptual diagnostic test instrument in five-tier format is not yet available. This work aims to develop a five-tier diagnostic test instrument for UCM concepts, perform validity and reliability test and use the developed instrument to identify a number of students’ conception level. The research development method was employed to produce 15 valid and reliable questions. The validity test consisted of internal and external (content and construct empirical) aspects. The internal validity obtained was 88% (very valid). The content aspect, i.e. the false positive=4.95% and the false negative=5.59% both met the criteria 10%. The construct aspect obtained by a Pearson product moment correlation was  (5% sig. level). The reliability level of the Alpha Cronbach coefficient  shows that the developed instrument was valid and reliable. The limited trial result shows that the students’ conception levels on the UCM concepts was generally lack of knowledge.
CHARACTERIZATION OF (Mg0.6Zn0.4)TiO3 CERAMICS AS DIELECTRIC RESONATOR MATERIALS IN MICROWAVE FREQUENCIES Syah Nanta Maulana Ishak; Frida Ulfah Ermawati
Spektra: Jurnal Fisika dan Aplikasinya Vol 7 No 1 (2022): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 7 Issue 1, April 2022
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.071.02

Abstract

Ceramics based on magnesium titanate (MgTiO3) are dielectric materials that have the potential to be used in telecommunications systems at microwave frequencies, such as filters, antennas, and signal generators. This study aims to characterize the resonant frequency and output power of (Mg0.6Zn0.4)TiO3 ceramics (abbreviated MZT04) as a dielectric resonator (DR) material in a DRO circuit and relate it to the structure, microstructure, and bulk density data of the ceramics. The MZT04 ceramics were fabricated by compacting MZT04 powder at a pressure of 2.5 MPa using a cylindrical die press of 5 mm in diameter to become pellets with the same diameter. The pellets were sintered at 1300 ℃ by varying holding time for 6, 8, and 10 h to become ceramics. Data on the structure of the ceramics were obtained from the X-Ray Diffraction (XRD) pattern with Cu-Kα radiation which showed that the three ceramics contained MgTiO3 phase, each 87.02; 90.55; and 87.40 % molar, the rest % is MgO and TiO2 rutile phases. The increase in sinter holding time has increased the unit cell volume of the MgTiO3 phase from (307.94), (308.61), to (308.94) Å3; the size of the lattice parameters (a=b, c) also increased from (5.057, 13.903) Å, (5.058, 13.903) Å, to (5.061, 13.914) Å; like wise, the bulk density increased from 2.51, 2.82, and 3.04 g/cm3. As a DR material, the three ceramics exhibit a resonant frequency signal each at 5.20; 5.21; and 5.22 GHz with the output power of -19.70; -14.47; -15.70 dBm, and the FWHM of the signal is 59.3; 61.6; and 61.2 MHz. Therefore, MZT04 ceramics can be applied as the DR material in microwave frequencies, especially at ~5.20 GHz. The variations in sinter holding time is not significant effect on the position of the resonant frequency.
Five-Level Conception Diagnostic Test on Electromagnetic Induction Concepts: Feasibility Test and Overview of Students' Concept Understanding Level Nila Apriliyanti; Frida Ulfah Ermawati
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 1: January 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6309.913 KB) | DOI: 10.33394/j-ps.v10i1.4658

Abstract

During the Physics learning process, students often have difficulty in understanding the concepts, such as Electromagnetic Induction concepts. For example, students assumed that a loop in a magnetic field B whose coil plane area shrinks towards the page produces a constant induced electromotive force. However, the truth is when the surface area of the loop is reduced, the induced electromotive force produced gets smaller. This contradiction is called a misconception. This misconception should be detected immediately using a diagnostic test of conception, especially the five-level diagnostic test. This paper is intended to report the results of the writing of a five-level conception diagnostic test for Electromagnetic Induction concepts, to test its’ feasibility (validity and reliability) and to get an overview of the several students’ understanding level as well as to identify the most dominant internal factors that cause students' misconceptions on the concepts. A total of 11 questions on the diagnostic test is validated and reliable therefore it can be used to test students' understanding level. The results of the internal validity test are 92% (very valid) and the external content validity in terms of true fake and wrong fake values are 3.94% and 5.45%, the construct external validity (rxy=0.591) > rtable=0.3061 and the reliability [ r11=0.608 (very reliable)]. Among 14 students who were tested for their level of understanding 44.16% of them experienced a lack of knowledge.
Pelatihan Dasar Robot Line Tracer Analog bagi Siswa MAN 1 Jombang Meta Yantidewi; Dzulkiflih Dzulkiflih; Frida Ulfah Ermawati; Abu Zainuddin
Madaniya Vol. 3 No. 4 (2022)
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/27214834.308

Abstract

Teknologi robotika berkembang semakin pesat di era Revolusi Industri 4.0. Berbagai macam robot semakin mewarnai kehidupan sehari-hari. Keadaan yang demikian menjadikan pelajar tertarik mempelajarinya, sehingga MAN 1 Jombang sebagai salah satu lembaga pendidikan menjadikan robotika sebagai salah satu kegiatan ekstrakurikulernya. Sayangnya, ekstrakurikuler robotika di MAN 1 Jombang semakin sedikit pesertanya. Untuk mengantisipasi semakin menurunya anggota ekstrakurikuler ini, MAN 1 Jombang dan tim PKM Jurusan Fisika Universitas Negeri Surabaya mengadakan pelatihan dasar robot line tracer analog yang ditujukan bagi para siswa MAN 1 Jombang. Sebanyak 17 siswa MAN 1 Jombang yang terbagi dalam enam kelompok mengikuti pelatihan ini. Dari keenam kelompok tersebut telah berhasil dirakit enam buah robot line tracer analog. Para siswa peserta pelatihan sangat antusias mengikuti kegiatan ini bahkan merasa termotivasi untuk mempelajari lebih lanjut bidang robotika meskipun beberapa merasa bahwa bidang ini tidaklah mudah dipelajari.
Socialization and Practice of Processing Coconut Cooking Oil based on SNI 3741:2013 Quality Standard for Residents in Gondoruso Village, Pasirian Lumajang Frida Ulfah Ermawati; Dzulkiflih Dzulkiflih; Tony Seno Aji; Choirul Anna Nur Afifah; Abu Zainuddin
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 7 No. 3 (2022): September
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/linov.v7i3.766

Abstract

Gondoruso village, Pasirian Lumajang has many coconut trees. However, the coconuts were only harvested and sold in the local market at a price of IDR 2,000-3,000/fruit. Some local residents had initiated efforts to process coconuts into cooking oil, but the resulting oil smelled rancid so they stopped it. This paper reported the results of our community service activities in assisting Gondoruso Village residents to proceed coconut into cooking oil that meets the SNI 3741:2013 quality standard. The aim was to train the residents’ skills in producing qualified coconut cooking oil so they could earn extra family income. Eight old coconuts were grated, and thick coconut milk was taken. The coconut milk was left overnight in the refrigerator to produce lumps of coconut milk. The lumps of coconut milk were taken and cooked over low heat. About 10 minutes later, the oil started to come out, and the cooking process continued for 40-45 minutes until all the oil-came out, and 550 ml of cooking oil was produced. The SNI 3741:2013 quality test revealed that the cooking oil was of very good quality because the values of 6-SNI parameters met the standard, i.e., organoleptic is liquid, clear yellow, sweet coconut, and tasteless; moisture content=0.13% w/w; acid number=0.06% w/w; peroxides number=0; the pelican oil=negative, and the linoleic acid=0.13%. The production and market analyses stated that the production cost of 550 ml of coconut oil=IDR 27,600, while the selling price in the market=IDR 80,000/500 ml.
Pengaruh Waktu Tahan Kalsinasi terhadap Komposisi Fasa dan Ukuran Kristalit Serbuk Mg(Ti0,99Sn0,01)O3 Hasil Sintesis dengan Metode Pencampuran Larutan Syadza Aisyah Hermadianti; Frida Ulfah Ermawati
Jurnal Inovasi Fisika Indonesia (IFI) Vol 12 No 2 (2023): Vol 12 No 2
Publisher : Jurusan Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v12n2.p1-9

Abstract

Abstrak Pada penelitian ini, serbuk Mg(Ti0,99Sn0,01)O3 (disingkat MTS001) disintesis menggunakan metode pencampuran larutan yang dikalsinasi pada suhu 800 °C. Sintesis serbuk MTS001 dilakukan dengan bahan awal berupa serbuk logam Mg, Ti, dan Sn (Merck) dan HCl 12 M (37 %). Serbuk MTS001 hasil sintesis kemudian dikalsinasi selama 2, 4, dan 6 jam untuk menganalisis pengaruh waktu tahan kalsinasi terhadap %molar, %berat, densitas atom, parameter kisi, volume sel satuan, dan ukuran kristalit. Data struktural menunjukkan bahwa fasa utama adalah MgTiO3 (86,61-92,10 %berat) dan fasa impurity TiO2, diikuti dengan ekstra fasa MgO khususnya pada waktu tahan 4 jam. Data volume sel satuan dan parameter kisi mengalami kenaikan dari waktu tahan 2 jam menuju 4 jam, kemudian menurun pada 6 jam. Kenaikan kedua data tersebut dipengaruhi oleh terbentuknya fasa impurities yang lebih banyak dibandingkan waktu tahan yang lain, yaitu fasa TiO2 dan MgO, sehingga mempengaruhi transformasi pembentukan fasa MgTiO3. Perubahan data tersebut membuktikan bahwa telah terbentuk larutan padat substitusi MTS001. Seiring dengan naiknya waktu tahan kalsinasi 2-6 jam, nilai densitas atom dan ukuran kristalit mengalami kenaikan, sehingga menyebabkan terjadinya pelebaran puncak. Kata Kunci: serbuk Mg(Ti0,99Sn0,01)O3, komposisi fasa, ukuran kristalit, densitas atom, waktu tahan kalsinasi Abstract In this study, Mg(Ti0.99Sn0.01)O3 powders (abbreviated as MTS001) were synthesized using a liquid mixing method calcined at 800 °C. The synthesis of MTS001 powders were carried out with raw materials in the form of Mg, Ti, and Sn metal powders (Merck) and 12 M HCl (37 %). The synthesized MTS001 powders were then calcined for 2, 4, and 6 hours to analyze the effect of calcination holding time on %molar, %weight, atomic density, lattice parameters, unit cell volume, and crystallite size. The structural data showed that the main phase was MgTiO3 (86.61-92.10 wt%) and TiO2 impurity phase, followed by extra MgO phase especially at 4 h holding time. Unit cell volume data and lattice parameters increased from 2 hours to 4 hours, then decreased at 6 hours. The increase of both data is influenced by the formation of of more impurities compared to other holding times, namely the TiO2 and MgO phases, thus affecting the transformation of the formation of the MgTiO3. The change in data proves that the MTS001 substitution solid solution has been formed. Along with the increase in calcination holding time 2-6 hours, the value of atomic density and crystallite size has increased, thus causing peak broadening. Keywords: Mg(Ti0.99Sn0.01)O3 powders, phase composition, crystallite size, atomic density, holding time calcination
The MICROSTRAIN PADA SERBUK Mg(Ti0,95Sn0,05)O3 HASIL SINTESIS DENGAN METODE PENCAMPURAN LARUTAN AKIBAT VARIASI WAKTU TAHAN KALSINASI: Kata Kunci: MTS005, FWHM, pelebaran puncak, microstrain, defect Zulfy Fardhany, Muhammad Fikri; Ermawati, Frida Ulfah
Inovasi Fisika Indonesia Vol. 12 No. 3 (2023): Vol 12 No 3
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v12n3.p10-19

Abstract

ANALISIS RIETVELD POLA XRD SERBUK Mg(Ti0,98Sn0,02)O3 HASIL SINTESIS DENGAN METODE PENCAMPURAN LARUTAN: Kata Kunci: MgTiO3, waktu tahan, kalsinasi, Match, Rietveld Abror, Muhammad Dhafi Zainal; Ermawati, Frida Ulfah
Inovasi Fisika Indonesia Vol. 12 No. 3 (2023): Vol 12 No 3
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v12n3.p26-34

Abstract

FENOMENA THERMAL DIFFUSE SCATTERING AKIBAT VARIASI SUHU SINTER PADA KERAMIK Mg(Ti0,95Cr0,05)O3: Kata Kunci: keramik MTC005, suhu sinter, struktur, thermal diffuse scattering (TDS). Basmalah, Mazaya; Ermawati, Frida Ulfah
Inovasi Fisika Indonesia Vol. 13 No. 2 (2024): Vol 13 No 2
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v13n2.p90-99

Abstract

Salah satu faktor yang berpotensi meningkatkan amplitudo vibrasi atom pada struktur kristalin adalah suhu sinter yang tinggi. Peristiwa meningkatnya amplitudo vibrasi atom tersebut selanjutnya dapat menyebabkan keteraturan atom pada keadaan setimbang menjadi terganggu sehingga difraksi sinar-X menjadi diffuse. Fenomena ini disebut dengan Thermal Diffuse Scattering (TDS) yang ditandai dengan menurunnya intensitas puncak difraksi dan meningkatnya intensitas background. Penelitian ini melaporkan fenomena TDS pada keramik Mg(Ti0,95Cr0,05)O3 (MTC005) yang disinter pada variasi suhu 1100, 1200, dan 1300 oC selama 4 jam berdasarkan data X-Ray Diffraction (XRD), ditinjau dari data vibrasi termal atom dan pergeseran posisi atom hasil penghalusan Rietveld. Hasil identifikasi fasa menunjukkan bahwa struktur ketiga sampel keramik MTC005 terdiri dari fasa utama MgTiO3 dengan (82,73-96,56)% berat, sisanya berupa fasa TiO2 rutile, dan MgO (ditemukan pada suhu sinter 1300 oC). Fenomena TDS diduga terjadi pada suhu sinter 1100 dan 1300 oC. Hasil penghalusan Rietveld menunjukkan bahwa vibrasi termal atom (DB) telah berubah dari nilai default-nya (0,600, pada perangat lunak Rietica). Sebagai contoh pada suhu sinter 1300 °C, DB untuk masingmasing atom Mg, Ti, Cr, dan O = 7,243; 1,700; 0; dan 7,137. Demikian juga, posisi atom terhadap sumbu kristal x, y, dan z telah berubah dari posisi setimbangnya (berdasarkan data ICSD No. 65794), yaitu Dx=0; Dy=0; Dz=0,002A (Mg); Dx=0; Dy=0; Dz=0,001 A (Ti = Cr); dan Dx=0,005; Dy=0,001; Dz=0,002 A (O). Dampak dari perubahan DB dan D (x,y,z) pada kedua suhu sinter tersebut ditunjukkan dengan menurunnya intensitas difraksi utama milik MgTiO3 pada hkl 104, yaitu IBragg (1100 oC)=613,54 cts, IBragg (1200 oC)=945,33 cts, dan IBragg (1300 oC)=610,43 cts sehingga mengakibatkan meningkatnya intensitas background. Di samping itu, posisi puncak hkl104 mengalami pergeseran menuju 2teta yang lebih besar. Penurunan intensitas difraksi juga ditengarai dengan pelebaran puncak difraksi (FWHM) = 0,1171o(1100 oC); 0,1004o (1200 oC); dan 0,1338o (1300 oC). Penyebab ketiadaan perubahan DB dan D (x,y,z) pada suhu 1200 oC belum dapat diketahui. Namun demikian, fenomena TDS yang teridentifikasi pada suhu sinter 1100 dan 1300 oC tersebut tampaknya tidak berpengaruh pada karakteristik struktur MTC005. Kata Kunci: keramik MTC005, suhu sinter, struktur, thermal diffuse scattering (TDS). Abstract One of the factors that causes an increase in the amplitude of atomic vibrations in the crystalline structure is the sinter temperature. The increase the amplitude of atomic vibrations causes the order of atoms in an equilibrium state to be disturbed so that X-ray diffraction becomes scattered in several directions (or diffuse). This phenomenon is called the Thermal Diffuse Scattering (TDS) phenomenon which is indicated by a decrease in the intensity of the diffraction peak and an increase in background intensity. This study reports the phenomenon of TDS in Mg(Ti0,95Cr0,05)O3 (MTC005) ceramics sintered at temperature variations of 1100, 1200, and 1300oC for 4 hours based on X-Ray Diffraction (XRD) data, in terms of atomic thermal vibrations and atomic position shifts obtained from refinement Rietveld. The phase identification results show that the structure of the three MTC005 ceramic samples consists of the main phase of MgTiO3 with (82.73-96.56)% weight, the remaining phases are TiO2 rutile, and MgO (especially at 1300oC sinter temperature). The TDS phenomenon is suspected to occur in sample MTC005 with sinter temperatures of 1100 and 1300oC. The Rietveld smoothing results show that the atomic thermal vibrations (DB) have changed from their default value (0.600, in Rietica software). For example at a sinter temperature of 1300oC, DB on each of the Mg, Ti, Cr, and O atoms is 7.243; 1.700; 0; and 7.137. There is a displacement of atomic positions to the x, y, and z crystal axes from their equilibrium positions (based on ICSD data No. 65794), which are Dx=0; Dy=0; Dz=0,002 A (Mg); Dx=0; Dy=0; Dz=0,001 A (Ti = Cr); and Dx=0,005; Dy=0,001; Dz=0,002 A (O). While at a sinter temperature of 1200oC, the change in atomic thermal vibrations and the displacement of atomic positions are zero. The TDS phenomenon identified at sinter temperatures of 1100 and 1300 oC did not affect the structural characteristics of MTC005. The impact of the changes in DB and D(x,y,z) at both sinter temperatures is shown by the decrease in the main diffraction intensity of MgTiO3 at hkl 104, which are IBragg (1100 oC)=613,54 cts, IBragg (1200 oC)=945,33 cts, dan IBragg (1300 oC)=610,43 cts, which resulted in an increase in the background intensity. In addition, the peak position has shifted towards a larger 2θ. The decrease in diffraction intensity is also indicated by the broadening of the diffraction peaks, which are 0.1171o (1100oC); 0.1004o (1200oC); and 0.1338o (1300oC). The reason for the absence of changes in DB and D(x,y,z) at 1200oC is unknown. However, the TDS phenomena identified at sinter temperatures of 1100 and 1300oC do not seem to affect the structural characteristics of MTC005. Keywords: MTC005 ceramics, sinter temperature, structure, thermal diffuse scattering (TDS).
Co-Authors , NURITA Abror, Muhammad Dhafi Zainal Abu Zainuddin AISAHSARI, RAHAYU Akmalia, Anisa Dina Aretha Patricia Andriani AZIZAH IMAMAH, NUR Basmalah, Mazaya CHOIRUL ANNA NUR AFIFAH DHIMAS IRVAN ARDEANSYAH Durrotun Nisa’ DWI IKA YULIANTI Dzulkiflih Dzulkiflih Elga Nilawati Ermaningsih, Ernie Feby Y. Rostianbudi HADZIQUNNUHA AHFA, MUHAMMAD HANIFAH, LAILATUL IKA YULIANTI, DWI INDAH UTARI, JULI Indarniati Indarniati IRVAN ARDEANSYAH, DHIMAS ISFARA, LAILA Izza, Lailatul Kadarosman, Afandy Kemas Ahmad Zaini Thosin Lailatul Izza Lestari, Emilia Dwi Lina Zendya Maulidiya Fadilatul Latifa MENIK KURNIAWATI, DYAH MIFTAKHUL JANNAH, EMITA Mugni Muammar, Asep MUHAMMAD HADZIQUNNUHA AHFA Nabilla, Alya Putri Nanang Sudrajat, Nanang Nanda Rettiningtyas nida alifah Nila Apriliyanti Nilawati, Elga Nisrina Nur Ramadhani NOVYANTI NUR FIRDAUSI NUR AZIZAH IMAMAH NUR FIRDAUSI, NOVYANTI Putri, Veldiana Oktaviana renitafitriani-13 Rio Simatupang ROHMANASARI, FITRI SAADATUL FAJRIYYAH, NORIYATUS SAKINATUS ZAHRO Sukoco, Bagus Edi Sulaiman, Yaya Syadza Aisyah Hermadianti Syah Nanta Maulana Ishak TABAHYATI, SITI Taryana, Yana Thoifah, Thoifah Tony Seno Aji Widiya Kartika Putri Wilda Kusumaningtyas Yantidewi, Meta ZAHRO, SAKINATUS Zulfy Fardhany, Muhammad Fikri