Royal visits and protocols in the Joseon Dynasty: Focusing on Wonhaeng eulmyo Jeongni Uigwe compiled during King Jeongjo's Reign.

Design and analysis of wing construction on flying car = Desain dan analisa konstruksi sayap pada mobil terbang

Rancangan Kinematika dan Analisis Struktur Wings Spar Mobil Terbang = Kinematics Design and Structure Analysis of Flying Car Wings Spar

Perancangan Mekanisme Ekstensi dan Retraksi Roda Pendarat Inti Mobil Terbang = Design Mechanism of Extension and Retraction Processes on Flying Car Main Landing Gear System.

Royal Banquets and Uigwe during the Late Joseon Period