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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Rechtsregel : Jurnal Ilmu Hukum Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia JSMA (Jurnal Sains Manajemen dan Akuntansi) ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Mardiyana
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Pengaruh Penambahan Tepung Wortel (Daucus carota L.) dengan Konsentrasi yang Berbeda dalam Pakan Komersial terhadap Intensitas Warna Ikan Cupang Halfmoon (Betta splendens) Al Arif Sofriyadi; Sarmin; Denny Indra Yudistira; Aryanti Indah Setyastuti; RR. Nurina Ayu; Any Kurniawati; Mardiyana
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 6 No 2 (2023): ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Volume 6 No. 2 Edisi Desember
Publisher : Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/acr.v6i2.3493

Abstract

Ornamental fish is a type of fish that lives in fresh water or in the sea that has a beautiful and attractive body shape or color. One type of freshwater ornamental fish that has a unique difference from the others is Betta ornamental fish. Betta fish is one type of ornamental fish that is in demand by the public, but the breeders of this betta fish are mostly confused about how to increase the brightness of the color of betta fish. Based on this background, this study aims to determine the effect of adding carrot flour with different concentrations in commercial feed on the color intensity of halfmoon betta fish (Betta splendens).This study used an experimental method with a Complete Randomized Design (RAL) of 4 treatments and 3 repeats. Then the variables observed include, fish brightness, fish weight, fish length, fish daily length, fish survival, and water quality. Furthermore, the observed data and data processing is carried out with SPSS statistical software 25.The addition of carrot flour in commercial feed can affect markedly (P>0.05). The addition of P4 treatment carrot flour at a dose of 95% pellets and 15% carrot flour in commercial feed, gave good results on the brightness of the color of Betta fish with an average value of 5.0 compared to other treatments that were given the addition of less carrot flour.
Analisis Penerapan Supply Chain Management terhadap Efektivitas Kinerja Supply Chain melalui Total Quality Management sebagai Mediasi Nur Hidayati; Mardiyana; Mardiputra, Ilham Muhammad; Rismawati
JSMA Vol 16 No 2 (2024): JSMA (Jurnal Sains Manajemen dan Akuntansi)
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi STAN IM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37151/jsma.v16i2.199

Abstract

Hubungan antara rantai pasokan dan kualitas produk saling terkait, karena diperlukan pengendalian internal dan eksternal untuk meningkatkan kinerja rantai pasokan dalam suatu perusahaan. Hubungan dengan pemasok, pelanggan dan perusahaan itu sendiri harus dikelola dengan baik. Bagaimana pemasok dapat bertanggung jawab atas kualitas produknya, hubungan jangka panjang yang baik dengan pemasok dan pelanggan, serta distribusi produk yang tepat waktu dari hulu hingga hilir hingga mencapai konsumen akhir. Sebagai bagian dari penelitian ini, dilakukan studi tentang penerapan manajemen rantai pasokan (SCM) untuk meningkatkan efektivitas kinerja rantai pasokan melalui media manajemen kualitas total. Tujuan dari penelitian ini adalah untuk menguji dan menganalisis dampak SCM terhadap kinerja rantai pasokan melalui mediasi TQM. Teknik analisis data menggunakan Structural Equation Modeling (SEM), Partial Minimum Squared (PLS). Hasil penelitian menunjukkan bahwa penerapan manajemen rantai pasok terhadap efektivitas kinerja rantai pasok melalui TQM sebagai mediator lebih efektif dibandingkan tanpa TQM sebagai mediator. Artinya TQM dapat mengkomunikasikan variabel SCM dan kinerja rantai pasok.
KEPADATAN DAN DISTRIBUSI KERANG SUMPIL (Faunus ater) DI KAWASAN TAMAN EDUKASI MANGROVE DEMANG GEDI, KABUPATEN PURWOREJO Kurniawati, Any; Sarmin; Wahyuningsih, Eti; Mardiyana
JURNAL LEMURU Vol 4 No 3 (2022): JURNAL LEMURU: Jurnal Ilmu Perikanan dan Kelautan Indonesia
Publisher : Program Studi Teknologi Hasil Perikanan|Fakultas Pertanian|Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/lemuru.v4i3.2416

Abstract

Taman Edukasi Mangrove Demang Gedi mempunyai ekosistem pesisir penting yang mengandung potensi keanekaragaman hayati, salah satunya yaitu Kerang Sumpil (Faunus ater). Hamparan Kerang Sumpil hampir menutupi seluruh permukaan sedimen ketika air surut. Tujuan dari penelitian ini yaitu untuk mengetahui tingkat kepadatan dan pola distribusi Kerang Sumpil yang berasosiasi dengan ekosistem mangrove. Metode yang digunakan pada penelitian ini yaitu metode survei dengan teknik pengambilan sampel purposive sampling berdasarkan perbedaan karakter habitat. Terdapat 3 stasiun pengambilan sampel yang masing-masing diamati setiap sebulan sekali. Untuk mengetahui pola distribusi F.ater, dilakukan analisis indeks morisita. Hasil penelitian menunjukkan bahwa kepadatan Kerang Sumpil (F. ater) yaitu 491 ind/m² (Stasiun I), 453 ind/m² (Stasiun II), dan 318 ind/m² (Stasiun III). Pola distribusi Kerang Sumpil di semua stasiun diketahui secara mengelompok, dimana nilai indeks morisita sebesar 1,07 (Stasiun I), 1,08 (Stasiun II) dan 1,38 (Stasiun III).
Perlindungan Hukum Konsumen Terhadap Pembelian Produk Handbody Dosting pada E-Commerce Shopee Cahya Andika; Hidayati, Nuri; Mardiyana
Rechtsregel : Jurnal Ilmu Hukum Vol 8 No 2 (2025): Rechtsregel : Jurnal Ilmu Hukum
Publisher : Program Studi Hukum Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/rjih.v8i2.56143

Abstract

The ability to purchase goods online has greatly simplified consumers’ access to desired products, including body lotion and other personal care items. However, if this convenience is not carefully monitored by the relevant regulatory authorities, it may pose risks to public health. This study aims to identify the factors contributing to the increasing use of high-dose body lotions to achieve instant beauty results, as well as to explore strategies for reducing the number of individuals harmed by the use of such products. The research employs a normative juridical approach, which focuses on assessing existing legal norms designed to protect consumers. The findings indicate that many women today adhere to beauty standards that emphasize having light skin, encouraging them to compete in purchasing and using high-dose body lotions without adequately understanding the product ingredients, which are clearly harmful to the skin when used over a prolonged period. Many high-dose body lotion products widely available on e-commerce platforms contain hazardous substances at concentrations exceeding the safety limits established by the Food and Drug Supervisory Agency (BPOM). The use of high-dose body lotions may cause skin irritation and damage skin tissue. Consumers’ awareness of the risks associated with high-dose body lotion products remains low. Therefore, authorities with the appropriate regulatory powers should provide public education, conduct product destruction, and carry out market inspections as measures to prevent future harm.
PERMASALAHAN DAN PENGEMBANGAN ALTERNATIF SOLUSI PEMBELAJARAN GEOMETRI RUANG SD: SYSTEMATIC LITERATUR REVIEW Fytra; Febryana Setyorini; Munawaroh Tri Handayani; Ismail Jati Prasetyo; Mardiyana
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 02 Juni 2026 Press
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.61043

Abstract

The teaching of solid geometry in elementary school is essential for developing students’ spatial literacy and mathematical problem-solving skills. However, cognitive barriers rooted in the transition from concrete to abstract thinking often lead to geometric misconceptions and procedural errors among students. This study aims to systematically map the main challenges in teaching solid geometry in elementary schools and analyze innovative solutions emerging in the current educational literature. Using the Systematic Literature Review (SLR) method, a comprehensive review was conducted of accredited research articles published between 2021 and 2026. The results of the literature synthesis indicate that the root causes of the main problems include students’ weak visual-spatial abilities, high levels of math anxiety, and teachers’ limited pedagogical competencies in integrating technology in the classroom. On the other hand, this study identifies three pillars of effective alternative solutions, namely: the utilization of 3D visualization technology (such as Augmented Reality and GeoGebra 3D), the application of culture-based contextual approaches (Realistic Mathematics Education and ethnomathematics), and the use of constructivist learning models (such as Project-Based Learning integrated with the Predict-Observe-Explain cycle). The findings of this review suggest that integrating discovery-based learning models with interactive digital media is the most effective approach for overcoming cognitive barriers and enhancing critical thinking skills among elementary school students in the area of solid geometry.
Co-Authors Al Arif Sofriyadi Any Kurniawati Any Kurniawati, Any Aryanti Indah Setyastuti Cahya Andika Denny Indra Yudistira Febryana Setyorini Fytra Ismail Jati Prasetyo Mardiputra, Ilham Muhammad Munawaroh Tri Handayani Nur Hidayati Nuri Hidayati Rismawati RR. Nurina Ayu Sarmin Sarmin Wahyuningsih, Eti