Samsul, E.; Handayani, Y. F. Inovasi Pangan Fungsional Berkelanjutan: Snack Bar Kaya Kalsium Berbasis Tepung Limbah Cangkang Telur Ayam Ras: Sustainable Functional Food Innovation: Calcium-Rich Snack Bar Based on Waste Flour from Layer Chicken Eggshells. J. Sains Kes. 2025, 8, 8-16.