MORPHOLOGICAL MEASUREMENT AND ABUNDANCE OF MANGROVE CLAM (Geloina expansa) AND ITS SEDIMENT GRAIN SIZE PREFERENCES AT PULAU SUTUNG AND PULAU BUSUNG, SETIU WETLANDS, TERENGGANU. UMT JUR. 2023;5(4):98-105. doi:10.46754/umtjur.v5i4.443