Items where Author is "Jong, Ong Siauw"
![[up]](/style/images/multi_up.png)
Up a levelGroup by: Item Type | No Grouping
Number of items: 1.
Hauw, Jioe Djie and Jong, Ong Siauw (1991) Studi mengenai kelongsoran tanah dan upaya pencegahannya. Other thesis, Petra Christian University.
Hauw, Jioe Djie and Jong, Ong Siauw (1991) Studi mengenai kelongsoran tanah dan upaya pencegahannya. Other thesis, Petra Christian University.