Fenty Maimunah Simbolon; Murni Sari Rahayu; Yayuk Purwaningrum; Muhamad Zepri. THE EFFECT OF PROVISION OF CHICKEN MANURE AND N-FERTILIZER ON THE GROWTH OF PAKCOY PLANTS (Brassica Rapa L.) USING THE PARALON VERTICULTURE SYSTEM. IJERE 2019, 8-17.