Putra, Andhika, Adhona Bhajana Wijaya Negara, & Purwo Siswoyo. " MODIFICATION OF LAYING DUCK FEED WITH HERBAL FEED ADDITIVES TO THE QUALITY OF LOCAL DUCK EGGS." Proceeding International Conference Keputeraan Prof. H. Kadirun Yahya [Online], 1.1 (2022): 235-243. Web. 22 Dec. 2024