Artha Paulina Simamora and Mangasi Alion Marpaung 2025. ANALYSIS OF ELEMENTAL DIFFERENCES IN GREEN SPINACH (AMARANTHUS VIRIDIS) BETWEEN CONVENTIONAL AND HYDROPONIC CULTIVATION METHODS USING LASER-INDUCED BREAKDOWN SPECTROSCOPY (LIBS) METHOD: ANALISIS PERBEDAAN UNSUR DALAM BAYAM HIJAU (AMARANTHUS VIRIDIS) ANTARA METODE BUDIDAYA KONVENSIONAL DAN HIDROPONIK DENGAN MENGGUNAKAN METODE LASER INDUCED BREAKDOWN SPECTROSCOPY (LIBS). PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL). 13, 1 (Jan. 2025), FA–108. DOI:https://doi.org/10.21009/03.1301.FA15.