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This paper is intended to give the reader some insight into several electric propulsion concepts their operating principles and capabilities , as well as an overview of some mission applications that would benefit from these propulsion systems , and their accompanying advanced power systems . In contrast , the intent of this paper is to urge researchers and vendors to think about the needs of end users , especially expert users , and to consider researching and implementing XQ / XPFT , thereby restoring the degree of end user control that is necessary for complex searching . This paper is a comparison of three Indonesian maternal and child health programs : family planning , immunization , and safe motherhood , the latter designed to reduce the number of maternal deaths during childbirth . Unfortunately , the demand for the paper is not yet evident for the online version . References can be inserted from EndNote as the paper is written and a bibliography can be automatically created at the end .