[1]
S. Malau and and S. Pandiangan, “Morphological Variation in Arabica Coffee (Coffea arabica L.) Growing in North Sumatra Indonesia”, J. Agron. Indonesia (Indonesian J. Agron.), vol. 46, no. 3, pp. 314–321, Dec. 2018, doi: 10.24831/jai.v46i3.19342.