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All Journal Cartesian: Jurnal Pendidikan Matematika Andalasian International Journal of Entomology
Kurniawan, Endi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Mathematics Social Sciences Other

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KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS: PENGARUH MODEL PEMBELAJARAN MURDER BERBANTUAN ICE BREAKING DITINJAU PADA MINAT BELAJAR SISWA Fadila, Abi; Kurniawan, Endi; Mujib
Cartesian: Jurnal Pendidikan Matematika Vol. 2 No. 2 (2023): Cartesian Vol. 2 No. 2 April 2023
Publisher : Program Studi Pendidikan Matematika FIP UNHASY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33752/cartesian.v2i2.2514

Abstract

This study aims to determine the difference in understanding mathematical concepts between classes taught with the MURDER learning model (Mood, Understanding, Recall, Digest, Expend, and Review) assisted by Ice Breaking and conventional learning in class XI students of SMK Negeri 1 Seputih Surabaya. This type of research is Quasy Experimental Design using a 2×3 factorial research design. The samples used were students of class XI Accounting 1 and XI Accounting 2 SMK Negeri 1 Seputih Surabaya. This study also uses Cluster Random Sampling as a sampling technique, as well as for data collection, namely through tests. The data analysis technique was carried out quantitatively by using the Two Way ANOVA Test (Two-Way Variance Analysis). Through the calculation of the hypothesis, the results obtained that the p-Value value of the Ice Breaking-assisted MURDER learning model = 0.000 less than = 0.05 so that the p-Value , it can be said that there is an effect of using the Ice Breaking-Assisted MURDER learning model on the ability to understand students' mathematical concept .
Inventory and Potential of Natural Enemies ( Predators and Parasitoids ) as Pest Controller in Lemon Crops in Langkat, North Sumatera Kurniawan, Endi; Zuliyanti Siregar, Ameilia
Andalasian International Journal of Entomology Vol. 1 No. 01 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.1.01.30-39.2023

Abstract

Lemons are plant horticulture fruits which kind of oranges are also known as designation citrus. The fruit shaped as a round oval, colored yellow bright, and tasteful sour or a little sweet. Other roles of insects in nature besides insect potential herbivores (phytophagous) pests, that is, as predators and parasitoids. The study aims to identify types and diversity of enemy potential natural (predators and parasitoids). as controller pests on lemon plants. The study carried out on land lemons in Namo Terasi village, Sei Bingai District, Langkat Regency. Identification insects was done in Laboratory Pests, Faculty of Agriculture, University of Sumatera Utara which held on month, March until June 2023. This study uses a purposive sampling method with 5 types, such as yellow sticky trap, red trap, black trap, blue ball trap, and net trap. Total insects identified on the lemon’s vegetation (Citrus lemon) consist of 10 Orders, 38 Families and 49 Genera, and 2308 individuals. The highest population recorded from Aphidius (Hymenoptera: Braconidae) as many as 481 individuals. The highest of Density and Relative Density from family Braconidae (D=481, RD=21.02%), whereas the lowest of Mantidae Family (D= 3, RD=0.13%). Total population were 10 types of predatory insects family, 4 types of parasitoids,16 types of herbivores and 5 types of pollinators, and 3 types of decomposers.
Co-Authors Abi Fadila Mujib Zuliyanti Siregar, Ameilia