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

Perancangan roda belakang mobil terbang menggunakan komponen suspensi torsion beam = Design of rear wheel for flying car using torsion beam suspension

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

Royal Banquets and Uigwe during the Late Joseon Period