SUKATON, Anggia Rose; 						SISWOYO, Siswoyo; 						PILUHARTO, Bambang.
 Optimisation of Extractant and  Extraction Time on Portable Extractor Potentiometric Method for Determining Phosphate in Soil.
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Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/prosiding/article/view/5255" target="_new">https://jurnal.unej.ac.id/index.php/prosiding/article/view/5255</a>&gt;. Date accessed: 07 may 2024.