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Effect of Land Use Change on Soil Physico-chemical Characteristics in Sungai Batang, east part of Maninjau Caldera Yazar: Yulnafatmawita Yulnafatmawita, Refdinal Refdinal, Armansyah Armansyah, Zainal Abdul Haris

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Alley Cropping: Teknik Budidaya untuk Mengantisipasi Bencana Alam pada Lahan Pertanian Berlereng di Daerah Objek Wisata Buya Hamka Sungai Batang Maninjau Yazar: Yulnafatmawita Yulnafatmawita, Armansyah Armansyah, Refdinal Refdinal, Zainal A. Haris

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Pengembangan E-Modul Pembelajaran Berbasis Web pada Mata Pelajaran Gambar Teknik Listrik di Sekolah Menengah Kejuruan Yazar: Chandra Arif, Ta’ali Ta’ali, Mukhlidi Muskir, Refdinal Refdinal

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Project-based Module Development as Teaching Material for Light Vehicle Engine Maintenance: Validity Test Yazar: Muslim Muslim, Nizwardi Jalinus, Refdinal Refdinal, Ahmad Arif, Wagino Wagino

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