Development of the Dayak Ngaju Community Forest in the Forest and Peatland Area, Central Kalimantan, Indonesia

Yanarita, Yanarita; Na’iem, Mohammad; Sukarna, Budiadi

doi:10.9790/2402-08314047

Cited by 4 publications

(2 citation statements)

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“…The Dayak tribe in central Kalimantan-Indonesia has long been working together in a traditional mutual help and cooperation called handep. Some people of Dayak tribe in the villages in Kalimantan-Indonesia have big burdens such as for farming, harvesting, keeping moving their house to another safe International Journal of Instruction, April 2018 • Vol.11, No.2 place, conducting wedding party (Taylor, 2009;Yanarita, et al 2014). The handep mutual cooperation system works (Demitra, et al, 2012):…”

Section: Introductionmentioning

confidence: 99%

Effects of Handep Cooperative Learning Based on Indigenous Knowledge on Mathematical Problem Solving Skill

Demitra¹,

Sarjoko²

2018

INT J INSTRUCTION

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Indigenous people of Dayak tribe in Kalimantan, Indonesia have traditionally relied on a system of mutual cooperation called handep. The cultural context has an influence on students mathematics learning. The handep system might be suitable for modern learning situations to develop mathematical problem-solving skill. The objective of the study was to investigate the effect of handep cooperative learning model compared to problem-based learning model on mathematical problem-solving skill of rational exponent material. The research was conducted through pretest-posttest non-equivalent control group design. The sample of 66 students was selected from the population of 304 students through cluster random sampling. The mathematical problem-solving skill assessed with essay test of the open-ended question had reliability coefficient of 0,71. The students' answers scorings were obtained with the rubric of mathematical problem-solving skill. Data analysis is conducted through ANACOVA. The result presents that the mathematical problem-solving skill of students who learned through handep cooperative learning model is better than problem-based learning. Handep cooperative learning model is suitable to enhance the mathematical problem solving skill of students in Kalimantan-Indonesia cultural context. The teacher should construct the instructional material use metacognition questioning strategy and also be familiar to their students' prior knowledge of mathematics.

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Section: Introductionmentioning

confidence: 99%

Effects of Handep Cooperative Learning Based on Indigenous Knowledge on Mathematical Problem Solving Skill

Demitra¹,

Sarjoko²

2018

INT J INSTRUCTION

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“…Biasanya tanaman sungkai dapat dijumpai di hutan, kebun, maupun halaman. Sungkai dapat tumbuh dengan mudah dan tidak perlu perawatan khusus, sehingga tanaman ini juga digunakan sebagai pembatas atau pagar hidup pekarangan rumah (Ningsih 2013;Yanarita et al 2014) Tanaman sungkai termasuk ke dalam tanaman kayu-kayuan yang diameternya mencapai 60 cm yang mampu tumbuh hingga setinggi 20-30 m dan memiliki batang bebas cabang sekitar 15 m. Batang sungkai berwarna abu-abu atau sawo matang dengan bentuk yang lurus berlekuk kecil, beralur dangkal terkelupas kecil dan tipis. Penampang kulit luar batangnya memiliki warna kekuningan, merah muda, hingga coklat.…”

Section: Pendahuluanunclassified

Uji aktivitas antibakteri ekstrak etanol daun sungkai (Peronema canescens Jack) terhadap pertumbuhan Escherichia coli dengan metode difusi cakram Kirby-Bauer

Fransisca

Kahanjak

Frethernety

2020

JPLB

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Penyakit diare adalah suatu kondisi serius dan berbahaya, yang salah satu penyebabnya adalah bakteri Escherichia coli. Sungkai merupakan tanaman yang dengan mudah ditemukan di Indonesia, khususnya Kalimantan Tengah. Daun muda sungkai digunakan sebagai obat tradisional dan berpotensi sebagai antibakteri. Tujuan penelitian untuk mengetahui pengaruh aktivitas antibakteri dari ekstrak etanol daun sungkai (Peronema canescens Jack) dalam menghambat pertumbuhan E. coli, yang diamati dengan metode cakram Kirby-Bauer. Post-test only control group design adalah metode yang dipakai pada penelitian ini. Kadar ekstrak etanol daun sungkai (P. canescens) yang diujikan adalah 25%, 50%, 75% dan 100%. Hasil penelitian menunjukkan bahwa pertumbuhan E. coli dapat dihambat dengan ekstrak etanol daun sungkai (P. canescens) dengan konsentrasi 25%, 50%, 75% dan 100%, yang dibuktikan dengan adanya zona hambat sebesar 3,75mm, 3,5 mm, 3,5 mm dan 7,75 mm pada masing-masing konsentrasi secara berurutan, dengan konsentrasi efektif sebesar 25%. Kesimpulan penelitian adalah ekstrak etanol daun sungkai (P. canescens) dapat menghambat pertumbuhan E. coli. Pengembangan penelitian perlu dilakukan lebih jauh untuk mengetahui kadar minimum yang diperlukan untuk mendapatkan aktivitas antibakteri ekstrak sungkai.

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The study of the mathematical problem solving and metacognition strategy on a paired Handep cooperative learning model

Demitra

Sulisworo

2018

J. Phys.: Conf. Ser.

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Development of the Dayak Ngaju Community Forest in the Forest and Peatland Area, Central Kalimantan, Indonesia

Abstract: Rp.31,898,257.67/ha/year.

Cited by 4 publications

References 0 publications

Effects of Handep Cooperative Learning Based on Indigenous Knowledge on Mathematical Problem Solving Skill

Effects of Handep Cooperative Learning Based on Indigenous Knowledge on Mathematical Problem Solving Skill

Uji aktivitas antibakteri ekstrak etanol daun sungkai (Peronema canescens Jack) terhadap pertumbuhan Escherichia coli dengan metode difusi cakram Kirby-Bauer

The study of the mathematical problem solving and metacognition strategy on a paired Handep cooperative learning model

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