Umekwe, P. N., and A. J. Nwanne. 2025. “EFFECT OF NPK FERTILIZER ON GROWTH AND YIELD OF SWEET POTATO (Ipomea Batatas (L) Lam) IN UNWANA SOUTH-EASTERN NIGERIA”. The Melting Pot 6 (3). https://journals.aphriapub.com/index.php/TMP/article/view/3341.