Ridhayani, R. and Syamsurizal, S. (2022) “Development Of A Booklet On Cell Bioprocess Materials As A Supplement To Biology Teaching Materials For Class XI SMA/MA”, PENBIOS: JURNAL PENDIDIKAN BIOLOGI DAN SAINS, 6(02), pp. 78-85. doi: 10.51673/penbios.v6i02.1259.