Sari, Novita, 		Defiani, Made Ria, AND 		Suriani, Ni Luh.
" UTILIZATION OF ONION SKIN (Allium cepa L.) AND CHICKEN EGG SHELL TO INCREASE PRODUCTION OF MUSTARD PLANTS (Brassica rapa var. parachinensis L.)" <em>SIMBIOSIS</em> [Online], Volume 10 Number 1 (31 March 2022)