Peran dan kedudukan orang asing (Wargga Kilalan) dalam masyarakat Jawa Kuno dari masa pemerintahan Airlangga (Abad ke-11 Masehi) hingga masa Majapahit (Abad ke-15 Masehi) = Foreigner (Wagga Kilalan) roles and positions within Ancient Javanese society from Airlangga's reign (11th Century AD) to Majapahit period (15th Century AD)

Tata letak antara makam kuno, masjid kuno, dan pemukiman di Desa Hitu dan Hila, Ambon abad xv-xix = The layout between ancient tombs, ancient mosques, and settlements in Hitu Village and Hila Village, Ambon 15th 19th century

Penggambaran perempuan Jawa Kuno periode Singhasari - Majapahit abad ke-13 - 15 masehi : suatu tinjauan ikonografi = Ancient javanese women s depiction in Singhasari - Majapahit period 13th - 15th ad : iconographical studies

Gotong royong masa Mataram Kuno abad 8-10 Masehi = Gotong royong during 8 to 10 century ad ancient Mataram

Kajian toponimi terhadap bandar-bandar di Jalur Rempah Pantai Utara Pulau Jawa pada Abad ke-15 sampai abad ke-19 = A Toponymy Study of the Spice Route Ancient Ports of the Northern Coast of Java in the 15th to the 19th Century