In the current era of globalization, economic growth is one of the main indicators in
assessing the quality and development of a country. The purpose of this study is to examine …

Problem the fiscal deficit still has a bad influence on the increase in government debt every
year. So far, the government has tended to withdraw new debt to cover the fiscal deficit. In …

Fiscal policy determinants are crucial for economic development because they directly
influence government revenue, expenditure, and overall economic stability. Effective …

The implementation of Sharia tourism in Indonesia is still new, including in the province
Lampung with the tourism position!!! market strategy “the treasure of Sumatera.” This …

Despite facing various crises since 1998 until now, the level of production of tobacco
products in Indonesia has not been significantly affected. By approaching a time series …

In this paper, our purpose is to study the classical continuous boundary optimal triple control
vector problem (CCBOTCVP) dominating by nonlinear triple parabolic boundary value …

This paper is concerned by studding the continuous classical quaternary optimal control
vector controlled with quaternary nonlinear elliptic partial differential equations. It deals with …

This paper is concerned with the quaternary classical continuous boundary optimal control
problem (or for simplicity quaternary boundary optimal control problem (QBOCVP)) for the …

In this paper, our purpose is to study the quaternary continuous classical boundary optimal
control vector problem dominated by a quaternary linear parabolic boundary value problem …

Background: Boundary optimal control problems governed by nonlinear elliptic systems are
complex, involving equality and inequality constraints. Objective: This paper examines a …