Sistematika Marga Athyrium di Jawa dan Bali, Indonesia = Systematic of the genus Athyrium in Java and Bali, Indonesia

Jenis jenis tumbuhan Paku dan Likofit di Stasiun penelitian Way Canguk Taman Nasional Bukit Barisan Selatan Lampung = Ferns and lycophytes in Way Canguk Research Station Bukit Barisan Selatan National Park Lampung

A revised Flora of Malaya : an Illustrated systematic account of the Malayan flora, including commonly cultivated plants vol.II / R.E. Holttum

Jenis paku Indonesia

Perbedaan Menyikat Gigi Sebelum dan Setelah Makan terhadap Derajat Keasaman (pH) Plak Gigi sebagai Faktor Risiko Karies = The Difference of Before-Eating and After-Eating Tooth Brushing on the Acidity Level (pH) of Dental Plaque as Caries Risk Factor