Kesan jarak tanaman terhadap ciri morfo-agronomi tiga aksesi rosel (hibiscus sabdariffa L.) - Gustika, Ramadan (Perpustakaan Tun Seri Lanang, 2011)
Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 2009
Keywords: Universiti Kebangsaan Malaysia -- Dissertations; Dissertations, Academic -- Malaysia; Roselle; Malvaceae; Plant spacing