Aimie Rifhan Hashim; Sharir Aizat Kamaruddin; Khairul Naim Abd.Aziz; Jamil Tajam; Faeiza Buyong; Anisah Lee Abdullah; Tun Mohd Firdaus Azis; Anastacia Anscelly. ASSESSMENT OF THE CURRENT SPATIAL-TEMPORAL VARIATIONS OF PH ON THE SURFACE WATERS OF KUALA PERLIS, PERLIS. JTHEM 2024, 7.