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Pattipawaej, Olga Catherina and Sinatra, Sinatra (2021) Learning Media of Rubble-Mound Breakwater Design for Educational Purpose. In: Innovation Research in the Era of MBKM. Novateur Publication, pp. 39-51. ISBN 978-93-90753-46-8
Sinatra, Sinatra and Pattipawaej, Olga Catherina (2011) Stabilitas Struktur Pelindung Pantai Akibat Pemanasan Global. In: Seminar Nasional-1 BMPTTSSI - KoNTekS 5, 14 Oktober 2011, Medan.