Items where Author is "Lumbantoruan, Ekali Frida"
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Lumbantoruan, Ekali Frida (2015) KAJIAN SIFAT KIMIA MAKRO DAN SISTEM PENGELOLAAN TANAH VULKANIK DI LERENG SELATAN PASCA ERUPSI GUNUNG SINABUNG KABUPATEN KARO. Undergraduate thesis, UNIMED.