দেশীয় কাঁকরোল চাষ করে অনেকেই নিত্য প্রয়োজনীয় দ্রব্যের চাহিদা পূরণ করছে  

Robert Edward Elson FAHA is a historian, author and academic regarded as an authority on Indonesian history, with his biography of former President Suharto and works on the cultivation system in Colonial Java considered leading works on their subjects.
Sovereignty and the Sea
How Indonesia Became an Archipelagic State
By John G. Butcher, Robert Edward Elson
Until the mid-1950s nearly all the waters lying between the far-flung islands of the Indonesian archipelago were as open to the ships of all nations as the waters of the great oceans.