Widiasmadi, Nugroho. “ANALYSIS OF THE EFFECT OF BIOFERTILIZER AGENT ACTIVITY ON SOIL ELECROLIT CONDUCTIVITY & ACIDITY IN REAL TIME WITH THE SMART BIOSOILDAM METHOD”. IJRDO - Journal of Mechanical And Civil Engineering 6, no. 10 (November 3, 2020): 01-10. Accessed December 11, 2024. http://545406.voltageenergyhk.tech/index.php/mce/article/view/3917.