MOHAMED M. EL-ZEFZAFY, WALID.W. MOHAMED, and MOHAMED S. BOGHDADY, “EFFECT OF PH ON GROWTH, PROTEIN PROFILS AND ANATOMY OF PLECTRANTHUS AMBOINICUS EXPLANTS: Pharmaceutical Science-Biotechnology”, Int J Life Sci Pharm Res, vol. 5, no. 2, pp. 11–21, Jun. 2022.