Riwayati Mat Som 1986- author.

TASIK Riwayati Mat Som -- Tanjung Malim, Perak GERBANG PRESTIGE Resources [2016?]

48 pages colour photographs 21 cm.

ISBN:  9789670939001

1. Earth sciences -- Juvenile literature  2. Environmental geology -- Juvenile literature  3. Lakes/xJuvenile literature 

NAT 550 RIW