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Kardinal, Kardinal
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Pengaruh CR, ROE, dan DER Terhadap Nilai Perusahaan pada Perusahaan Food & Beverage Gandi, Vinka Ameliya; Apriyanti, Christina; Kardinal, Kardinal
MDP Student Conference Vol 4 No 2 (2025): The 4th MDP Student Conference 2025
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/mdp-sc.v4i2.11155

Abstract

This study aims to assess the effect of CR, ROE, and DER on Firm Value (PBV) in Food and Beverage Sub-Sector Companies listed on the Indonesia Stock Exchange in 2019-2023. This study is quantitative. This study uses secondary data. The sample in this study consisted of 30 companies that met the requirements. This study applies purposive sampling as a sampling method. The findings of this study describe CR, ROE, and DER have a positive and significant effect on Firm Value (PBV). CR, ROE, and DER simultaneously affect Firm Value (PBV).
Pengaruh Kelompok Referensi, Sikap, dan Kepercayaan Terhadap Keputusan Pembelian Pempek Candy Sukamto Divandra, Marvela; Kardinal, Kardinal
MDP Student Conference Vol 4 No 2 (2025): The 4th MDP Student Conference 2025
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/mdp-sc.v4i1.11169

Abstract

This study aims to analyze the influence of reference groups, attitudes, and trust on purchase decisions at Pempek Candy Sukamto. The research method used is quantitative with a descriptive associative approach. Data was collected through questionnaires distributed to 386 respondents, determined using Slovin’s formula. The data analysis technique employed multiple linear regression with the assistance of SPSS 26 software. The results, both partially and simultaneously, indicate that reference groups, attitudes, and trust have a positive and significant influence on purchase decisions.
Classroom Action Research: Implementasi Model Picture and Picture in Social Learning in Elementary Schools Alsokari, Tareq; Rahmatika, Nada; Herawati, Dewi; Kardinal, Kardinal; Yumna, Yumna
International Journal of Elementary School Vol. 1 No. 1 (2024): March
Publisher : Sekolah Tinggi Agama Islam Solok Nan Indah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69637/ijes.v1i1.24

Abstract

One of the factors that influences students' learning motivation is the use of appropriate learning media by teachers because media is a tool to convey the message of the material being taught. This research aims to analyze the effects of using multimedia in the learning process in elementary schools. This research uses quantitative methods with a classroom action research approach. Data sources were taken using questionnaires and oral tests from twenty-one students from one of the elementary schools in Indonesia. All data were analyzed using SPSS 18 software with descriptive analysis (percent). Overall statistical analysis shows that the use of the model Picture and Picture in social learning has shown encouraging results. This fact can be seen from the increase in students' pre-test and post-test scores which were carried out through two learning cycles. Even students show positive learning attitudes such as being happy, enthusiastic, and always active in learning. Therefore, pictures and pictures are one of the alternatives that teachers can use as a solution for social learning which has been considered boring and students get bored quickly.
Formulaton of Nanoemulsion Biopesticide for Horticultural Plants from Fermented Extracts of Jongi Plant and Cigarette Butts Lithamivitra, Lithamivitra; Aeni, Nurul; Miftah, Nurul; Kardinal, Kardinal; Reza, Abdul; Isdaryanti, Isdaryanti; Putera, Alexander Kurniawan Sariyanto; Nurdin, Gaby Maulida
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7509

Abstract

Pests are one of the major challenges faced by farmers, particularly those cultivating horticultural crops, due to the difficulty in eliminating these pests, which also increases production costs. Therefore, the development of a practical and effective biopesticide is essential. This study aims to develop a nanoemulsion biopesticide from two readily available raw materials, namely the jongi plant and cigarette butts. The research employed an in vitro laboratory testing method to evaluate the effectiveness of five formulas (F0, F1, F2, F3, and F4) against two types of pests, Fusarium sp. and whiteflies. The effectiveness was measured by the inhibition zone in the Fusarium sp. test and the mortality rate of whiteflies. Additionally, a direct toxicity test was conducted on tomato plants to assess the safety of the formula. The results showed that the developed biopesticide was effective in inhibiting the growth of Fusarium sp. compared to the positive control and increased the mortality rate of whiteflies. Among the four formulas tested, three of the best-performing formulas were selected based on their inhibition and pest mortality rates, followed by toxicity testing. Formula 3, composed of 0% tobacco, 70% jongi, 20% starter, and 10% palm sugar, with a final pH of 4.2, was found to be safe for use without causing side effects on the plants.
Co-Authors Alexander Kurniawan Sariyanto Putera Alsokari, Tareq Apriyanti, Christina Charisma Ayu Pramuditha DEWI HERAWATI Divandra, Marvela faradila meirisa Gandi, Vinka Ameliya Isdaryanti, Isdaryanti Joki, Joki Lithamivitra, Lithamivitra Miftah, Nurul Novaliza, Vicky Krisanty Nurdin, Gaby Maulida Nurul Aeni Nyimas Artina Rahmatika, Nada Refaldi, Alan Retno Budi Lestari Reza, Abdul Saputra, Handy Sari, Lusi Pramita Trisnadi Wijaya Velanesca, Velentin Wahyu Sudrajat Widagdo, Herry Wiwik Handayani Yumna Yumna, Yumna