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All Journal POSITRON Journal of Economic, Bussines and Accounting (COSTING) Jurnal Kridatama Sains dan Teknologi Community Development Journal: Jurnal Pengabdian Masyarakat Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri Indonesian Journal of Thousand Literacies Jurnal Material dan Energi Indonesia Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika Jurnal Kabar Masyarakat Jurnal Budi Pekerti Agama Islam Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Yolla Sukma Handayani
Universitas Bina Bangsa
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PENGARUH OPERATIONAL RISK MANAGEMENT DAN STRATEGI OPERASI TERHADAP KINERJA OPERASIONAL MELALUI OPERATIONAL EXCELLENCE DI PT. CHANDRA ASRI PACIFIC TBK. Ikhsan Firdaus; Uli Wildan Nuryanto; Yolla Sukma Handayani
Journal of Economic, Bussines and Accounting (COSTING) Vol 7 No 5 (2024): Journal of Economic, Bussines and Accounting (COSTING)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/costing.v7i5.12240

Abstract

Penelitian ini bertujuan untuk menyelidiki pengaruh Operational Risk Management dan Strategi Operasi terhadap Kinerja Operasional melalui mediasi Operational Excellence. Metodologi penelitian ini menggunakan pendekatan kuantitatif dengan menggunakan teknik survei. Data dikumpulkan melalui kuesioner dari 251 karyawan yang berhubungan dengan operasional produksi PT Chandra Asri Pacific Tbk. Analisis penelitian ini menggunakan Partial Least Square Structural Equation Modeling (PLS-SEM). Hasil menunjukkan bahwa Operational Excellence memiliki pengaruh langsung terkuat terhadap Kinerja Operasional (β = 0.342), diikuti oleh Strategi Operasi (β = 0.305) dan Operational Risk Management (β = 0.172). Hubungan antara Operational Risk Management dan Strategi Operasi dengan Kinerja Operasional dimediasi oleh Operational Excellence. Penelitian ini berimplikasi pada praktik manajemen operasional, menyarankan integrasi lebih baik antara strategi, manajemen risiko dan peningkatan keunggulan operasional. Penelitian terbatas pada satu perusahaan, waktu terbatas, data kualitatif terbatas, sulit mengontrol faktor eksternal dan hasil mungkin tidak dapat digeneralisasi ke perusahaan lain. Penelitian selanjutnya agar dapat meningkatkan kecepatan pengiriman produk melalui manajemen rantai pasok, pembentukan tim analisis umpan balik pelanggan, audit berkala Standard Operating Procedure dan pembentukan tim lintas departemen untuk adopsi teknologi baru. Strategi ini bertujuan meningkatkan kinerja operasional, keunggulan operasional dan manajemen risiko.
Investigasi Pengaruh Anion Halida terhadap Struktur Kristal dan Sifat Elektronik CsPbX3 (X = F, Cl, Br, I) dengan Metode Density Functional Theory untuk Aplikasi Sel Surya Handayani, Yolla Sukma; Sukmawati, Sri; Panulisan, Bambang Setyo
POSITRON Vol 14, No 2 (2024): Vol. 14 No. 2 Edition
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Univetsitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/positron.v14i2.85993

Abstract

Struktur kristal dan sifat elektronik material perovskite halida CsPbX3 (X = F, Cl, Br, I) telah dipelajari untuk menginvestigasi potensi perovskite CsPbX3 (X = F, Cl, Br, I) untuk aplikasi sel surya. Perhitungan dilakukan menggunakan paket perangkat lunak Quantum Espresso (QE) dengan metode Density Functional Theory (DFT) menggunakan fungsional exchange-correlation PBE-GGA. Perovskite CsPbX3 (X = F, Cl, Br, I) yang dipelajari berada pada fasa kubik dengan grup ruang Pm3m. Studi struktur kristal menunjukkan nilai konstanta kisi CsPbX3 (X = F, Cl, Br, I) meningkat seiring pertukaran anion halida X dari F, Cl, Br, ke I yang berimplikasi pada peningkatan volume sel satuan dan berpengaruh terhadap celah pita energi. Pembentukan VBM dan CBM merupakan kontribusi dari kation Pb dan anion X yang membentuk struktur oktahedral PbF6, PbCl6, PbBr6, dan PbI6. Pita valensi maksimum didominasi oleh orbital p-anion X (X=F, Cl, Br, I) yang berhibridisasi dengan orbital 6s-Pb. Sementara pita konduksi dibentuk oleh orbital 6p-Pb. Hasil perhitungan sifat elektronik menunjukkan celah pita energi dari CsPbF3, CsPbCl3, CsPbBr3, dan CsPbI3 yaitu 2,99 eV; 2,21 eV; 1,79 eV; dan 1,49 eV, secara berturut-turut. Nilai celah pita energi   mengalami penurunan seiring dengan meningkatnya jari-jari anion halida X. Diagram pita energi menunjukkan bahwa CsPbX3 (X = F, Cl, Br, I) merupakan material semikonduktor dengan celah pita energi langsung (direct band gap). Sifat ini mengindikasikan bahwa perovskite CsPbI3 dengan celah pita energi 1,49 eV berpotensi sebagai material penyerap foton untuk aplikasi sel surya yang efisien dibandingkan CsPbF3, CsPbCl3, dan CsPbBr3.
ANALISIS KESEJAHTERAAN RAKYAT PROVINSI BANTEN DENGAN MENGGUNAKAN METODE REGRESI LOGISTIK BINER Megasari, Anggita; Sukmawati, Sri; Rahmatullah, Asep; Handayani, Yolla Sukma; Abdullah, Syarif
Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika Vol. 4 No. 2 (2024): Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/bay.v4i2.84

Abstract

People's welfare is the development target of every region in Indonesia. Banten Province ranks 3rd in the level of people's welfare on the island of Java. So that a factor analysis is needed to find out the influence of the people's welfare. This study aims to find out the binary logistic regression model based on factors that significantly affect the level of people's welfare in Banten Province and to find out how much the classification accuracy of the model obtained. The type of research used is quantitative research with the population of all people in Banten Province by looking at household characteristics, while the sample of 380 is secondary data from BPS Banten Province based on the results of Susenas activities with the Systematic Random Sampling technique. The results of the research obtained from this study are three factors that affect the level of people's welfare, namely the Head of Household Education factor (X3(2)) category of Junior High School Equivalent and the Head of Household Education factor (X3(3)) category of High School Equivalent and the Number of Household Members (X5(1)) category > 4 Members. The form of the binary logistic regression equation obtained is  with a model classification accuracy value of 89.7%, the classification accuracy obtained reaches > 50% which means that the binary logistic regression logit function is considered to be precise and quite good
Penguatan Karakter Anak Usia Dini Melalui Pengenalan Rukun Iman dan Islam di MDTA Al-Jauharotunnaqqiyyah Link. Kedung Baya Fahrijal Taufik Hidayat; Faujiyah Faujiyah; Fathiyah Fathiyah; Rosihah Rosihah; Tiara Nofiana; Slamet Gunadi; Yolla Sukma Handayani; Asih Setyo Rini
Jurnal Budi Pekerti Agama Islam Vol. 2 No. 6 (2024): December : Jurnal Budi Pekerti Agama Islam
Publisher : Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jbpai.v2i6.623

Abstract

This research explores the effectiveness of religious singing methods in teaching the Pillars of Faith and the Pillars of Islam to young children at MDTA Al-Jauharotunnaqqiyyah, Kedung Baya. Character education at an early age is very important to form a strong personality, and instilling Islamic values from an early age plays a significant role in this process. This research method uses a qualitative approach with a case study design, involving direct observation and interviews with students to collect data about their understanding of religious teachings and their impact on behavior and character. The research results show that the religious singing method is effective in increasing children's understanding of the Pillars of Faith and the Pillars of Islam, as well as increasing their involvement in learning. Positive responses from parents and teachers confirm that this method makes religious teachings more interesting and applicable. However, challenges such as differences in children's levels of understanding, limited resources, and integration with the curriculum need to be overcome to maximize the effectiveness of this method. This research concludes that the religious singing method is an innovative approach that can be widely applied to support character education, with continuous evaluation and adjustment as the key to success.
Co-Authors Anita Nurbayanti Annisa Annisa Asep Eka Mulyanudin Asep Rahmatullah Asep Rahmatullah Asih Setyo rini Asih Setyo Rini Ayu Trisnawati Bahrul Alam Bambang Setyo Panulisan Basuki Rakhim Setya Permana Chandra Dewa Dedy Khaerudin Dedy Khaerudin Elgi Aris Munandar Fadilatul Imam Fahrijal Taufik Hidayat Fathiyah Fathiyah Faujiyah Faujiyah Hamdan Hamdan Ikhsan Firdaus Imamudin Imamudin Lucky Setiawan Megasari, Anggita Merlin Dwi Nova Messy Marlina Muhamad Ari Yanuar Muhamad Yopi Muhammad Efandhika Trisetya Muhammad Fadli Muhammad Faiz Muzaqi Suparman Muhammad Rizqi Alkarom Panulisan, Bambang Setyo Ratna Esmayanti Rexi Fauzi Wijaya Rizki Fajar Akmal Rosihah Rosihah Salsabila Maschaolah Sherin Ramadhania Sirozul Qori Siswanto Siswanto Siti Hanan Siti Nurhayati Slamet Gunadi Sofi Yuliyanti Sri Sukmawati Sri Sukmawati Syarif Abdullah Tiara Nofiana Tiara Nofiana Uli Wildan Nuryanto Wantia Sinta Anggraini Wiwien Suzanti Wiwien Suzanti Wizuna Aji Sea Santosa