Analisis Product Placement dan Celebrity Endorsement Sebagai Strategi Pemasaran Sebuah Brand dalam Drama Korea: Crash Landing on You, Itaewon Class, The King: Eternal Monarch, Vincenzo, dan Record of Youth = Product Placement and Celebrity Endorsement Analysis as a Brand’s Marketing Strategy in Korean Drama: Crash Landing on You, Itaewon Class, The King: Eternal Monarch, Vincenzo, and the Record of Youth